Home / 14,347.20-19,798.56-8,059.44

Finding the Fourth Proportional to 14,347.20, 19,798.56 and 8,059.44

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Solution

The fourth proportional to 14,347.20, 19,798.56 and 8,059.44 is: 11,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.20 : 19,798.56 = 8,059.44 : x
  2. Step 2: Convert to fraction form
    14,347.20/19,798.56 = 8,059.44/x
  3. Step 3: Cross multiply
    14,347.20x = 19,798.56 × 8,059.44
  4. Step 4: Simplify right side
    14,347.20x = 159,565,306.41
  5. Step 5: Solve for x
    x = 159,565,306.41/14,347.20
  6. Step 6: Final answer
    x = 11,121.70

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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.