Home / 10,430.32-15,646.17-4,189.52

Finding the Fourth Proportional to 10,430.32, 15,646.17 and 4,189.52

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Solution

The fourth proportional to 10,430.32, 15,646.17 and 4,189.52 is: 6,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.32 : 15,646.17 = 4,189.52 : x
  2. Step 2: Convert to fraction form
    10,430.32/15,646.17 = 4,189.52/x
  3. Step 3: Cross multiply
    10,430.32x = 15,646.17 × 4,189.52
  4. Step 4: Simplify right side
    10,430.32x = 65,549,942.14
  5. Step 5: Solve for x
    x = 65,549,942.14/10,430.32
  6. Step 6: Final answer
    x = 6,284.56

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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.