Home / 10,158.31-15,237.47-6,670.35

Finding the Fourth Proportional to 10,158.31, 15,237.47 and 6,670.35

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Solution

The fourth proportional to 10,158.31, 15,237.47 and 6,670.35 is: 10,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.31 : 15,237.47 = 6,670.35 : x
  2. Step 2: Convert to fraction form
    10,158.31/15,237.47 = 6,670.35/x
  3. Step 3: Cross multiply
    10,158.31x = 15,237.47 × 6,670.35
  4. Step 4: Simplify right side
    10,158.31x = 101,639,237.17
  5. Step 5: Solve for x
    x = 101,639,237.17/10,158.31
  6. Step 6: Final answer
    x = 10,005.53

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Similar ratio
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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.