Home / 15,930.20-23,862.45-9,336.40

Finding the Fourth Proportional to 15,930.20, 23,862.45 and 9,336.40

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Solution

The fourth proportional to 15,930.20, 23,862.45 and 9,336.40 is: 13,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.20 : 23,862.45 = 9,336.40 : x
  2. Step 2: Convert to fraction form
    15,930.20/23,862.45 = 9,336.40/x
  3. Step 3: Cross multiply
    15,930.20x = 23,862.45 × 9,336.40
  4. Step 4: Simplify right side
    15,930.20x = 222,789,378.18
  5. Step 5: Solve for x
    x = 222,789,378.18/15,930.20
  6. Step 6: Final answer
    x = 13,985.35

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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.