Home / 14,357.18-21,513.79-9,659.79

Finding the Fourth Proportional to 14,357.18, 21,513.79 and 9,659.79

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Solution

The fourth proportional to 14,357.18, 21,513.79 and 9,659.79 is: 14,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.18 : 21,513.79 = 9,659.79 : x
  2. Step 2: Convert to fraction form
    14,357.18/21,513.79 = 9,659.79/x
  3. Step 3: Cross multiply
    14,357.18x = 21,513.79 × 9,659.79
  4. Step 4: Simplify right side
    14,357.18x = 207,818,705.58
  5. Step 5: Solve for x
    x = 207,818,705.58/14,357.18
  6. Step 6: Final answer
    x = 14,474.89

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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.