Home / 10,663.98-15,995.24-4,421.66

Finding the Fourth Proportional to 10,663.98, 15,995.24 and 4,421.66

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Solution

The fourth proportional to 10,663.98, 15,995.24 and 4,421.66 is: 6,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.98 : 15,995.24 = 4,421.66 : x
  2. Step 2: Convert to fraction form
    10,663.98/15,995.24 = 4,421.66/x
  3. Step 3: Cross multiply
    10,663.98x = 15,995.24 × 4,421.66
  4. Step 4: Simplify right side
    10,663.98x = 70,725,512.90
  5. Step 5: Solve for x
    x = 70,725,512.90/10,663.98
  6. Step 6: Final answer
    x = 6,632.19

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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.