Home / 10,325.18-15,488.36-2,929.06

Finding the Fourth Proportional to 10,325.18, 15,488.36 and 2,929.06

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Solution

The fourth proportional to 10,325.18, 15,488.36 and 2,929.06 is: 4,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.18 : 15,488.36 = 2,929.06 : x
  2. Step 2: Convert to fraction form
    10,325.18/15,488.36 = 2,929.06/x
  3. Step 3: Cross multiply
    10,325.18x = 15,488.36 × 2,929.06
  4. Step 4: Simplify right side
    10,325.18x = 45,366,335.74
  5. Step 5: Solve for x
    x = 45,366,335.74/10,325.18
  6. Step 6: Final answer
    x = 4,393.76

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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.