Home / 12,543.32-17,308.86-6,877.16

Finding the Fourth Proportional to 12,543.32, 17,308.86 and 6,877.16

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Solution

The fourth proportional to 12,543.32, 17,308.86 and 6,877.16 is: 9,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.32 : 17,308.86 = 6,877.16 : x
  2. Step 2: Convert to fraction form
    12,543.32/17,308.86 = 6,877.16/x
  3. Step 3: Cross multiply
    12,543.32x = 17,308.86 × 6,877.16
  4. Step 4: Simplify right side
    12,543.32x = 119,035,799.64
  5. Step 5: Solve for x
    x = 119,035,799.64/12,543.32
  6. Step 6: Final answer
    x = 9,489.98

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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.