Home / 15,502.28-21,393.57-9,530.55

Finding the Fourth Proportional to 15,502.28, 21,393.57 and 9,530.55

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Solution

The fourth proportional to 15,502.28, 21,393.57 and 9,530.55 is: 13,152.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502.28 : 21,393.57 = 9,530.55 : x
  2. Step 2: Convert to fraction form
    15,502.28/21,393.57 = 9,530.55/x
  3. Step 3: Cross multiply
    15,502.28x = 21,393.57 × 9,530.55
  4. Step 4: Simplify right side
    15,502.28x = 203,892,488.56
  5. Step 5: Solve for x
    x = 203,892,488.56/15,502.28
  6. Step 6: Final answer
    x = 13,152.42

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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.