Home / 8,702.99-13,043.55-6,242.61

Finding the Fourth Proportional to 8,702.99, 13,043.55 and 6,242.61

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Solution

The fourth proportional to 8,702.99, 13,043.55 and 6,242.61 is: 9,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.99 : 13,043.55 = 6,242.61 : x
  2. Step 2: Convert to fraction form
    8,702.99/13,043.55 = 6,242.61/x
  3. Step 3: Cross multiply
    8,702.99x = 13,043.55 × 6,242.61
  4. Step 4: Simplify right side
    8,702.99x = 81,425,795.67
  5. Step 5: Solve for x
    x = 81,425,795.67/8,702.99
  6. Step 6: Final answer
    x = 9,356.08

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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.