Home / 16,691.15-23,036.31-9,521.03

Finding the Fourth Proportional to 16,691.15, 23,036.31 and 9,521.03

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Solution

The fourth proportional to 16,691.15, 23,036.31 and 9,521.03 is: 13,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.15 : 23,036.31 = 9,521.03 : x
  2. Step 2: Convert to fraction form
    16,691.15/23,036.31 = 9,521.03/x
  3. Step 3: Cross multiply
    16,691.15x = 23,036.31 × 9,521.03
  4. Step 4: Simplify right side
    16,691.15x = 219,329,283.42
  5. Step 5: Solve for x
    x = 219,329,283.42/16,691.15
  6. Step 6: Final answer
    x = 13,140.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.