Home / 10,284.60-15,419.70-4,042.20

Finding the Fourth Proportional to 10,284.60, 15,419.70 and 4,042.20

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Solution

The fourth proportional to 10,284.60, 15,419.70 and 4,042.20 is: 6,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.60 : 15,419.70 = 4,042.20 : x
  2. Step 2: Convert to fraction form
    10,284.60/15,419.70 = 4,042.20/x
  3. Step 3: Cross multiply
    10,284.60x = 15,419.70 × 4,042.20
  4. Step 4: Simplify right side
    10,284.60x = 62,329,511.34
  5. Step 5: Solve for x
    x = 62,329,511.34/10,284.60
  6. Step 6: Final answer
    x = 6,060.47

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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.