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Finding the Fourth Proportional to 10,515, 14,510.70 and 5,799.24

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Solution

The fourth proportional to 10,515, 14,510.70 and 5,799.24 is: 8,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515 : 14,510.70 = 5,799.24 : x
  2. Step 2: Convert to fraction form
    10,515/14,510.70 = 5,799.24/x
  3. Step 3: Cross multiply
    10,515x = 14,510.70 × 5,799.24
  4. Step 4: Simplify right side
    10,515x = 84,151,031.87
  5. Step 5: Solve for x
    x = 84,151,031.87/10,515
  6. Step 6: Final answer
    x = 8,002.95

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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.