Home / 15,214.52-20,984.91-10,169.87

Finding the Fourth Proportional to 15,214.52, 20,984.91 and 10,169.87

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Solution

The fourth proportional to 15,214.52, 20,984.91 and 10,169.87 is: 14,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.52 : 20,984.91 = 10,169.87 : x
  2. Step 2: Convert to fraction form
    15,214.52/20,984.91 = 10,169.87/x
  3. Step 3: Cross multiply
    15,214.52x = 20,984.91 × 10,169.87
  4. Step 4: Simplify right side
    15,214.52x = 213,413,701.74
  5. Step 5: Solve for x
    x = 213,413,701.74/15,214.52
  6. Step 6: Final answer
    x = 14,026.98

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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.