Home / 8,681.49-13,008.56-6,711.93

Finding the Fourth Proportional to 8,681.49, 13,008.56 and 6,711.93

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Solution

The fourth proportional to 8,681.49, 13,008.56 and 6,711.93 is: 10,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.49 : 13,008.56 = 6,711.93 : x
  2. Step 2: Convert to fraction form
    8,681.49/13,008.56 = 6,711.93/x
  3. Step 3: Cross multiply
    8,681.49x = 13,008.56 × 6,711.93
  4. Step 4: Simplify right side
    8,681.49x = 87,312,445.52
  5. Step 5: Solve for x
    x = 87,312,445.52/8,681.49
  6. Step 6: Final answer
    x = 10,057.31

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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.