Home / 10,633.57-15,938.61-4,390.14

Finding the Fourth Proportional to 10,633.57, 15,938.61 and 4,390.14

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Solution

The fourth proportional to 10,633.57, 15,938.61 and 4,390.14 is: 6,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,633.57 : 15,938.61 = 4,390.14 : x
  2. Step 2: Convert to fraction form
    10,633.57/15,938.61 = 4,390.14/x
  3. Step 3: Cross multiply
    10,633.57x = 15,938.61 × 4,390.14
  4. Step 4: Simplify right side
    10,633.57x = 69,972,780.13
  5. Step 5: Solve for x
    x = 69,972,780.13/10,633.57
  6. Step 6: Final answer
    x = 6,580.36

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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.