Home / 10,687.20-14,730.24-7,501.44

Finding the Fourth Proportional to 10,687.20, 14,730.24 and 7,501.44

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Solution

The fourth proportional to 10,687.20, 14,730.24 and 7,501.44 is: 10,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.20 : 14,730.24 = 7,501.44 : x
  2. Step 2: Convert to fraction form
    10,687.20/14,730.24 = 7,501.44/x
  3. Step 3: Cross multiply
    10,687.20x = 14,730.24 × 7,501.44
  4. Step 4: Simplify right side
    10,687.20x = 110,498,011.55
  5. Step 5: Solve for x
    x = 110,498,011.55/10,687.20
  6. Step 6: Final answer
    x = 10,339.29

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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.