Home / 10,343.70-15,398.55-10,282.19

Finding the Fourth Proportional to 10,343.70, 15,398.55 and 10,282.19

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Solution

The fourth proportional to 10,343.70, 15,398.55 and 10,282.19 is: 15,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.70 : 15,398.55 = 10,282.19 : x
  2. Step 2: Convert to fraction form
    10,343.70/15,398.55 = 10,282.19/x
  3. Step 3: Cross multiply
    10,343.70x = 15,398.55 × 10,282.19
  4. Step 4: Simplify right side
    10,343.70x = 158,330,688.42
  5. Step 5: Solve for x
    x = 158,330,688.42/10,343.70
  6. Step 6: Final answer
    x = 15,306.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.