Home / 15,142.48-22,713.72-6,812.76

Finding the Fourth Proportional to 15,142.48, 22,713.72 and 6,812.76

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Solution

The fourth proportional to 15,142.48, 22,713.72 and 6,812.76 is: 10,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.48 : 22,713.72 = 6,812.76 : x
  2. Step 2: Convert to fraction form
    15,142.48/22,713.72 = 6,812.76/x
  3. Step 3: Cross multiply
    15,142.48x = 22,713.72 × 6,812.76
  4. Step 4: Simplify right side
    15,142.48x = 154,743,123.07
  5. Step 5: Solve for x
    x = 154,743,123.07/15,142.48
  6. Step 6: Final answer
    x = 10,219.14

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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.