Home / 15,438.18-23,188.28-9,210.36

Finding the Fourth Proportional to 15,438.18, 23,188.28 and 9,210.36

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Solution

The fourth proportional to 15,438.18, 23,188.28 and 9,210.36 is: 13,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.18 : 23,188.28 = 9,210.36 : x
  2. Step 2: Convert to fraction form
    15,438.18/23,188.28 = 9,210.36/x
  3. Step 3: Cross multiply
    15,438.18x = 23,188.28 × 9,210.36
  4. Step 4: Simplify right side
    15,438.18x = 213,572,447.49
  5. Step 5: Solve for x
    x = 213,572,447.49/15,438.18
  6. Step 6: Final answer
    x = 13,834.04

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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.