Home / 15,251.50-21,040.63-10,217.35

Finding the Fourth Proportional to 15,251.50, 21,040.63 and 10,217.35

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Solution

The fourth proportional to 15,251.50, 21,040.63 and 10,217.35 is: 14,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251.50 : 21,040.63 = 10,217.35 : x
  2. Step 2: Convert to fraction form
    15,251.50/21,040.63 = 10,217.35/x
  3. Step 3: Cross multiply
    15,251.50x = 21,040.63 × 10,217.35
  4. Step 4: Simplify right side
    15,251.50x = 214,979,480.93
  5. Step 5: Solve for x
    x = 214,979,480.93/15,251.50
  6. Step 6: Final answer
    x = 14,095.63

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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.