Home / 8,677.48-13,000.56-7,299.40

Finding the Fourth Proportional to 8,677.48, 13,000.56 and 7,299.40

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Solution

The fourth proportional to 8,677.48, 13,000.56 and 7,299.40 is: 10,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.48 : 13,000.56 = 7,299.40 : x
  2. Step 2: Convert to fraction form
    8,677.48/13,000.56 = 7,299.40/x
  3. Step 3: Cross multiply
    8,677.48x = 13,000.56 × 7,299.40
  4. Step 4: Simplify right side
    8,677.48x = 94,896,287.66
  5. Step 5: Solve for x
    x = 94,896,287.66/8,677.48
  6. Step 6: Final answer
    x = 10,935.93

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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.