Home / 10,432.20-14,400.36-6,900.24

Finding the Fourth Proportional to 10,432.20, 14,400.36 and 6,900.24

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Solution

The fourth proportional to 10,432.20, 14,400.36 and 6,900.24 is: 9,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.20 : 14,400.36 = 6,900.24 : x
  2. Step 2: Convert to fraction form
    10,432.20/14,400.36 = 6,900.24/x
  3. Step 3: Cross multiply
    10,432.20x = 14,400.36 × 6,900.24
  4. Step 4: Simplify right side
    10,432.20x = 99,365,940.09
  5. Step 5: Solve for x
    x = 99,365,940.09/10,432.20
  6. Step 6: Final answer
    x = 9,524.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.