Home / 15,858-23,787-4,914

Finding the Fourth Proportional to 15,858, 23,787 and 4,914

Calculator

Solution

The fourth proportional to 15,858, 23,787 and 4,914 is: 7,371

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858 : 23,787 = 4,914 : x
  2. Step 2: Convert to fraction form
    15,858/23,787 = 4,914/x
  3. Step 3: Cross multiply
    15,858x = 23,787 × 4,914
  4. Step 4: Simplify right side
    15,858x = 116,889,318
  5. Step 5: Solve for x
    x = 116,889,318/15,858
  6. Step 6: Final answer
    x = 7,371

Related Problems

Find fourth proportional to 7,929, 11,893.50 and 2,457
Half scale
Find fourth proportional to 31,716, 47,574 and 9,828
Double scale
Find fourth proportional to 15,859, 23,788.50 and 4,915
Similar ratio
Find fourth proportional to 23,787, 35,680.50 and 7,371
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.