Home / 10,553.36-15,829.92-4,316.72

Finding the Fourth Proportional to 10,553.36, 15,829.92 and 4,316.72

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Solution

The fourth proportional to 10,553.36, 15,829.92 and 4,316.72 is: 6,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.36 : 15,829.92 = 4,316.72 : x
  2. Step 2: Convert to fraction form
    10,553.36/15,829.92 = 4,316.72/x
  3. Step 3: Cross multiply
    10,553.36x = 15,829.92 × 4,316.72
  4. Step 4: Simplify right side
    10,553.36x = 68,333,332.26
  5. Step 5: Solve for x
    x = 68,333,332.26/10,553.36
  6. Step 6: Final answer
    x = 6,475.03

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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.