Home / 19,948.76-29,916.66-9,417.32

Finding the Fourth Proportional to 19,948.76, 29,916.66 and 9,417.32

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Solution

The fourth proportional to 19,948.76, 29,916.66 and 9,417.32 is: 14,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.76 : 29,916.66 = 9,417.32 : x
  2. Step 2: Convert to fraction form
    19,948.76/29,916.66 = 9,417.32/x
  3. Step 3: Cross multiply
    19,948.76x = 29,916.66 × 9,417.32
  4. Step 4: Simplify right side
    19,948.76x = 281,734,760.55
  5. Step 5: Solve for x
    x = 281,734,760.55/19,948.76
  6. Step 6: Final answer
    x = 14,122.92

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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.