Home / 10,179.20-14,045.22-5,702.24

Finding the Fourth Proportional to 10,179.20, 14,045.22 and 5,702.24

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Solution

The fourth proportional to 10,179.20, 14,045.22 and 5,702.24 is: 7,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.20 : 14,045.22 = 5,702.24 : x
  2. Step 2: Convert to fraction form
    10,179.20/14,045.22 = 5,702.24/x
  3. Step 3: Cross multiply
    10,179.20x = 14,045.22 × 5,702.24
  4. Step 4: Simplify right side
    10,179.20x = 80,089,215.29
  5. Step 5: Solve for x
    x = 80,089,215.29/10,179.20
  6. Step 6: Final answer
    x = 7,867.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.