Home / 15,506.01-21,399.89-9,134.62

Finding the Fourth Proportional to 15,506.01, 21,399.89 and 9,134.62

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Solution

The fourth proportional to 15,506.01, 21,399.89 and 9,134.62 is: 12,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506.01 : 21,399.89 = 9,134.62 : x
  2. Step 2: Convert to fraction form
    15,506.01/21,399.89 = 9,134.62/x
  3. Step 3: Cross multiply
    15,506.01x = 21,399.89 × 9,134.62
  4. Step 4: Simplify right side
    15,506.01x = 195,479,764.02
  5. Step 5: Solve for x
    x = 195,479,764.02/15,506.01
  6. Step 6: Final answer
    x = 12,606.71

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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.