Home / 15,786.28-23,679.42-6,430.24

Finding the Fourth Proportional to 15,786.28, 23,679.42 and 6,430.24

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Solution

The fourth proportional to 15,786.28, 23,679.42 and 6,430.24 is: 9,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.28 : 23,679.42 = 6,430.24 : x
  2. Step 2: Convert to fraction form
    15,786.28/23,679.42 = 6,430.24/x
  3. Step 3: Cross multiply
    15,786.28x = 23,679.42 × 6,430.24
  4. Step 4: Simplify right side
    15,786.28x = 152,264,353.66
  5. Step 5: Solve for x
    x = 152,264,353.66/15,786.28
  6. Step 6: Final answer
    x = 9,645.36

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Similar ratio
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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.