Home / 19,948.32-29,868.96-11,158.20

Finding the Fourth Proportional to 19,948.32, 29,868.96 and 11,158.20

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Solution

The fourth proportional to 19,948.32, 29,868.96 and 11,158.20 is: 16,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.32 : 29,868.96 = 11,158.20 : x
  2. Step 2: Convert to fraction form
    19,948.32/29,868.96 = 11,158.20/x
  3. Step 3: Cross multiply
    19,948.32x = 29,868.96 × 11,158.20
  4. Step 4: Simplify right side
    19,948.32x = 333,283,829.47
  5. Step 5: Solve for x
    x = 333,283,829.47/19,948.32
  6. Step 6: Final answer
    x = 16,707.36

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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.