Home / 10,392.40-15,588.72-6,007.20

Finding the Fourth Proportional to 10,392.40, 15,588.72 and 6,007.20

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Solution

The fourth proportional to 10,392.40, 15,588.72 and 6,007.20 is: 9,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.40 : 15,588.72 = 6,007.20 : x
  2. Step 2: Convert to fraction form
    10,392.40/15,588.72 = 6,007.20/x
  3. Step 3: Cross multiply
    10,392.40x = 15,588.72 × 6,007.20
  4. Step 4: Simplify right side
    10,392.40x = 93,644,558.78
  5. Step 5: Solve for x
    x = 93,644,558.78/10,392.40
  6. Step 6: Final answer
    x = 9,010.87

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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.