Home / 10,540.80-15,803.52-5,606.40

Finding the Fourth Proportional to 10,540.80, 15,803.52 and 5,606.40

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Solution

The fourth proportional to 10,540.80, 15,803.52 and 5,606.40 is: 8,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.80 : 15,803.52 = 5,606.40 : x
  2. Step 2: Convert to fraction form
    10,540.80/15,803.52 = 5,606.40/x
  3. Step 3: Cross multiply
    10,540.80x = 15,803.52 × 5,606.40
  4. Step 4: Simplify right side
    10,540.80x = 88,600,854.53
  5. Step 5: Solve for x
    x = 88,600,854.53/10,540.80
  6. Step 6: Final answer
    x = 8,405.52

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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.