Home / 14,357.09-21,513.65-9,659.70

Finding the Fourth Proportional to 14,357.09, 21,513.65 and 9,659.70

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Solution

The fourth proportional to 14,357.09, 21,513.65 and 9,659.70 is: 14,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.09 : 21,513.65 = 9,659.70 : x
  2. Step 2: Convert to fraction form
    14,357.09/21,513.65 = 9,659.70/x
  3. Step 3: Cross multiply
    14,357.09x = 21,513.65 × 9,659.70
  4. Step 4: Simplify right side
    14,357.09x = 207,815,330.27
  5. Step 5: Solve for x
    x = 207,815,330.27/14,357.09
  6. Step 6: Final answer
    x = 14,474.75

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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.