Home / 10,330.81-15,492.46-5,654.28

Finding the Fourth Proportional to 10,330.81, 15,492.46 and 5,654.28

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Solution

The fourth proportional to 10,330.81, 15,492.46 and 5,654.28 is: 8,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.81 : 15,492.46 = 5,654.28 : x
  2. Step 2: Convert to fraction form
    10,330.81/15,492.46 = 5,654.28/x
  3. Step 3: Cross multiply
    10,330.81x = 15,492.46 × 5,654.28
  4. Step 4: Simplify right side
    10,330.81x = 87,598,706.73
  5. Step 5: Solve for x
    x = 87,598,706.73/10,330.81
  6. Step 6: Final answer
    x = 8,479.36

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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.