Home / 14,134.40-19,508.48-9,883.52

Finding the Fourth Proportional to 14,134.40, 19,508.48 and 9,883.52

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Solution

The fourth proportional to 14,134.40, 19,508.48 and 9,883.52 is: 13,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.40 : 19,508.48 = 9,883.52 : x
  2. Step 2: Convert to fraction form
    14,134.40/19,508.48 = 9,883.52/x
  3. Step 3: Cross multiply
    14,134.40x = 19,508.48 × 9,883.52
  4. Step 4: Simplify right side
    14,134.40x = 192,812,452.25
  5. Step 5: Solve for x
    x = 192,812,452.25/14,134.40
  6. Step 6: Final answer
    x = 13,641.36

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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.