Home / 10,426.54-15,642.57-3,031.70

Finding the Fourth Proportional to 10,426.54, 15,642.57 and 3,031.70

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Solution

The fourth proportional to 10,426.54, 15,642.57 and 3,031.70 is: 4,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.54 : 15,642.57 = 3,031.70 : x
  2. Step 2: Convert to fraction form
    10,426.54/15,642.57 = 3,031.70/x
  3. Step 3: Cross multiply
    10,426.54x = 15,642.57 × 3,031.70
  4. Step 4: Simplify right side
    10,426.54x = 47,423,579.47
  5. Step 5: Solve for x
    x = 47,423,579.47/10,426.54
  6. Step 6: Final answer
    x = 4,548.35

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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.