Home / 14,353.20-21,510.18-9,149.76

Finding the Fourth Proportional to 14,353.20, 21,510.18 and 9,149.76

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Solution

The fourth proportional to 14,353.20, 21,510.18 and 9,149.76 is: 13,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.20 : 21,510.18 = 9,149.76 : x
  2. Step 2: Convert to fraction form
    14,353.20/21,510.18 = 9,149.76/x
  3. Step 3: Cross multiply
    14,353.20x = 21,510.18 × 9,149.76
  4. Step 4: Simplify right side
    14,353.20x = 196,812,984.56
  5. Step 5: Solve for x
    x = 196,812,984.56/14,353.20
  6. Step 6: Final answer
    x = 13,712.13

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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.