Home / 10,016.70-15,023.89-2,621.87

Finding the Fourth Proportional to 10,016.70, 15,023.89 and 2,621.87

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Solution

The fourth proportional to 10,016.70, 15,023.89 and 2,621.87 is: 3,932.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.70 : 15,023.89 = 2,621.87 : x
  2. Step 2: Convert to fraction form
    10,016.70/15,023.89 = 2,621.87/x
  3. Step 3: Cross multiply
    10,016.70x = 15,023.89 × 2,621.87
  4. Step 4: Simplify right side
    10,016.70x = 39,390,686.47
  5. Step 5: Solve for x
    x = 39,390,686.47/10,016.70
  6. Step 6: Final answer
    x = 3,932.50

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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.