Home / 16,875-25,312.50-7,641

Finding the Fourth Proportional to 16,875, 25,312.50 and 7,641

Calculator

Solution

The fourth proportional to 16,875, 25,312.50 and 7,641 is: 11,461.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875 : 25,312.50 = 7,641 : x
  2. Step 2: Convert to fraction form
    16,875/25,312.50 = 7,641/x
  3. Step 3: Cross multiply
    16,875x = 25,312.50 × 7,641
  4. Step 4: Simplify right side
    16,875x = 193,412,812.50
  5. Step 5: Solve for x
    x = 193,412,812.50/16,875
  6. Step 6: Final answer
    x = 11,461.50

Related Problems

Find fourth proportional to 8,437.50, 12,656.25 and 3,820.50
Half scale
Find fourth proportional to 33,750, 50,625 and 15,282
Double scale
Find fourth proportional to 16,876, 25,314 and 7,642
Similar ratio
Find fourth proportional to 25,312.50, 37,968.75 and 11,461.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.