Home / 11,342.72-15,652.64-6,306.88

Finding the Fourth Proportional to 11,342.72, 15,652.64 and 6,306.88

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Solution

The fourth proportional to 11,342.72, 15,652.64 and 6,306.88 is: 8,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.72 : 15,652.64 = 6,306.88 : x
  2. Step 2: Convert to fraction form
    11,342.72/15,652.64 = 6,306.88/x
  3. Step 3: Cross multiply
    11,342.72x = 15,652.64 × 6,306.88
  4. Step 4: Simplify right side
    11,342.72x = 98,719,322.16
  5. Step 5: Solve for x
    x = 98,719,322.16/11,342.72
  6. Step 6: Final answer
    x = 8,703.32

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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.