Home / 21,650.85-32,503.61-11,663.55

Finding the Fourth Proportional to 21,650.85, 32,503.61 and 11,663.55

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Solution

The fourth proportional to 21,650.85, 32,503.61 and 11,663.55 is: 17,510.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650.85 : 32,503.61 = 11,663.55 : x
  2. Step 2: Convert to fraction form
    21,650.85/32,503.61 = 11,663.55/x
  3. Step 3: Cross multiply
    21,650.85x = 32,503.61 × 11,663.55
  4. Step 4: Simplify right side
    21,650.85x = 379,107,509.57
  5. Step 5: Solve for x
    x = 379,107,509.57/21,650.85
  6. Step 6: Final answer
    x = 17,510.05

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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.