Home / 10,289.16-15,432.48-4,440.96

Finding the Fourth Proportional to 10,289.16, 15,432.48 and 4,440.96

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Solution

The fourth proportional to 10,289.16, 15,432.48 and 4,440.96 is: 6,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.16 : 15,432.48 = 4,440.96 : x
  2. Step 2: Convert to fraction form
    10,289.16/15,432.48 = 4,440.96/x
  3. Step 3: Cross multiply
    10,289.16x = 15,432.48 × 4,440.96
  4. Step 4: Simplify right side
    10,289.16x = 68,535,026.38
  5. Step 5: Solve for x
    x = 68,535,026.38/10,289.16
  6. Step 6: Final answer
    x = 6,660.90

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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.