Home / 10,278.44-15,417.70-2,487.26

Finding the Fourth Proportional to 10,278.44, 15,417.70 and 2,487.26

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Solution

The fourth proportional to 10,278.44, 15,417.70 and 2,487.26 is: 3,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.44 : 15,417.70 = 2,487.26 : x
  2. Step 2: Convert to fraction form
    10,278.44/15,417.70 = 2,487.26/x
  3. Step 3: Cross multiply
    10,278.44x = 15,417.70 × 2,487.26
  4. Step 4: Simplify right side
    10,278.44x = 38,347,828.50
  5. Step 5: Solve for x
    x = 38,347,828.50/10,278.44
  6. Step 6: Final answer
    x = 3,730.90

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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.