Home / 10,898.94-15,043.62-6,425.28

Finding the Fourth Proportional to 10,898.94, 15,043.62 and 6,425.28

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Solution

The fourth proportional to 10,898.94, 15,043.62 and 6,425.28 is: 8,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.94 : 15,043.62 = 6,425.28 : x
  2. Step 2: Convert to fraction form
    10,898.94/15,043.62 = 6,425.28/x
  3. Step 3: Cross multiply
    10,898.94x = 15,043.62 × 6,425.28
  4. Step 4: Simplify right side
    10,898.94x = 96,659,470.71
  5. Step 5: Solve for x
    x = 96,659,470.71/10,898.94
  6. Step 6: Final answer
    x = 8,868.70

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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.