Home / 10,550.40-15,833.38-5,003.72

Finding the Fourth Proportional to 10,550.40, 15,833.38 and 5,003.72

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Solution

The fourth proportional to 10,550.40, 15,833.38 and 5,003.72 is: 7,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.40 : 15,833.38 = 5,003.72 : x
  2. Step 2: Convert to fraction form
    10,550.40/15,833.38 = 5,003.72/x
  3. Step 3: Cross multiply
    10,550.40x = 15,833.38 × 5,003.72
  4. Step 4: Simplify right side
    10,550.40x = 79,225,800.17
  5. Step 5: Solve for x
    x = 79,225,800.17/10,550.40
  6. Step 6: Final answer
    x = 7,509.27

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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.