Home / 10,008.55-15,013.13-3,434.64

Finding the Fourth Proportional to 10,008.55, 15,013.13 and 3,434.64

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Solution

The fourth proportional to 10,008.55, 15,013.13 and 3,434.64 is: 5,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.55 : 15,013.13 = 3,434.64 : x
  2. Step 2: Convert to fraction form
    10,008.55/15,013.13 = 3,434.64/x
  3. Step 3: Cross multiply
    10,008.55x = 15,013.13 × 3,434.64
  4. Step 4: Simplify right side
    10,008.55x = 51,564,696.82
  5. Step 5: Solve for x
    x = 51,564,696.82/10,008.55
  6. Step 6: Final answer
    x = 5,152.06

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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.