Home / 15,380.10-23,059.08-9,125.28

Finding the Fourth Proportional to 15,380.10, 23,059.08 and 9,125.28

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Solution

The fourth proportional to 15,380.10, 23,059.08 and 9,125.28 is: 13,681.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.10 : 23,059.08 = 9,125.28 : x
  2. Step 2: Convert to fraction form
    15,380.10/23,059.08 = 9,125.28/x
  3. Step 3: Cross multiply
    15,380.10x = 23,059.08 × 9,125.28
  4. Step 4: Simplify right side
    15,380.10x = 210,420,561.54
  5. Step 5: Solve for x
    x = 210,420,561.54/15,380.10
  6. Step 6: Final answer
    x = 13,681.35

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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.