Home / 14,402.40-19,879.20-9,098.88

Finding the Fourth Proportional to 14,402.40, 19,879.20 and 9,098.88

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Solution

The fourth proportional to 14,402.40, 19,879.20 and 9,098.88 is: 12,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.40 : 19,879.20 = 9,098.88 : x
  2. Step 2: Convert to fraction form
    14,402.40/19,879.20 = 9,098.88/x
  3. Step 3: Cross multiply
    14,402.40x = 19,879.20 × 9,098.88
  4. Step 4: Simplify right side
    14,402.40x = 180,878,455.30
  5. Step 5: Solve for x
    x = 180,878,455.30/14,402.40
  6. Step 6: Final answer
    x = 12,558.91

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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.