Home / 15,349.56-21,182.50-8,635.14

Finding the Fourth Proportional to 15,349.56, 21,182.50 and 8,635.14

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Solution

The fourth proportional to 15,349.56, 21,182.50 and 8,635.14 is: 11,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349.56 : 21,182.50 = 8,635.14 : x
  2. Step 2: Convert to fraction form
    15,349.56/21,182.50 = 8,635.14/x
  3. Step 3: Cross multiply
    15,349.56x = 21,182.50 × 8,635.14
  4. Step 4: Simplify right side
    15,349.56x = 182,913,853.05
  5. Step 5: Solve for x
    x = 182,913,853.05/15,349.56
  6. Step 6: Final answer
    x = 11,916.55

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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.