Home / 10,448.80-15,766.28-10,043.76

Finding the Fourth Proportional to 10,448.80, 15,766.28 and 10,043.76

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Solution

The fourth proportional to 10,448.80, 15,766.28 and 10,043.76 is: 15,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.80 : 15,766.28 = 10,043.76 : x
  2. Step 2: Convert to fraction form
    10,448.80/15,766.28 = 10,043.76/x
  3. Step 3: Cross multiply
    10,448.80x = 15,766.28 × 10,043.76
  4. Step 4: Simplify right side
    10,448.80x = 158,352,732.41
  5. Step 5: Solve for x
    x = 158,352,732.41/10,448.80
  6. Step 6: Final answer
    x = 15,155.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.