Home / 10,275.43-14,180.05-5,559.70

Finding the Fourth Proportional to 10,275.43, 14,180.05 and 5,559.70

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Solution

The fourth proportional to 10,275.43, 14,180.05 and 5,559.70 is: 7,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.43 : 14,180.05 = 5,559.70 : x
  2. Step 2: Convert to fraction form
    10,275.43/14,180.05 = 5,559.70/x
  3. Step 3: Cross multiply
    10,275.43x = 14,180.05 × 5,559.70
  4. Step 4: Simplify right side
    10,275.43x = 78,836,823.99
  5. Step 5: Solve for x
    x = 78,836,823.99/10,275.43
  6. Step 6: Final answer
    x = 7,672.36

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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.