Home / 43,362-65,043-15,660

Finding the Fourth Proportional to 43,362, 65,043 and 15,660

Calculator

Solution

The fourth proportional to 43,362, 65,043 and 15,660 is: 23,490

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,362 : 65,043 = 15,660 : x
  2. Step 2: Convert to fraction form
    43,362/65,043 = 15,660/x
  3. Step 3: Cross multiply
    43,362x = 65,043 × 15,660
  4. Step 4: Simplify right side
    43,362x = 1,018,573,380
  5. Step 5: Solve for x
    x = 1,018,573,380/43,362
  6. Step 6: Final answer
    x = 23,490

Related Problems

Find fourth proportional to 21,681, 32,521.50 and 7,830
Half scale
Find fourth proportional to 86,724, 130,086 and 31,320
Double scale
Find fourth proportional to 43,363, 65,044.50 and 15,661
Similar ratio
Find fourth proportional to 65,043, 97,564.50 and 23,490
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.