Home / 10,444.60-15,666.90-4,288.60

Finding the Fourth Proportional to 10,444.60, 15,666.90 and 4,288.60

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Solution

The fourth proportional to 10,444.60, 15,666.90 and 4,288.60 is: 6,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,444.60 : 15,666.90 = 4,288.60 : x
  2. Step 2: Convert to fraction form
    10,444.60/15,666.90 = 4,288.60/x
  3. Step 3: Cross multiply
    10,444.60x = 15,666.90 × 4,288.60
  4. Step 4: Simplify right side
    10,444.60x = 67,189,067.34
  5. Step 5: Solve for x
    x = 67,189,067.34/10,444.60
  6. Step 6: Final answer
    x = 6,432.90

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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.