Home / 21,818.61-32,726.07-8,667.45

Finding the Fourth Proportional to 21,818.61, 32,726.07 and 8,667.45

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Solution

The fourth proportional to 21,818.61, 32,726.07 and 8,667.45 is: 13,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,818.61 : 32,726.07 = 8,667.45 : x
  2. Step 2: Convert to fraction form
    21,818.61/32,726.07 = 8,667.45/x
  3. Step 3: Cross multiply
    21,818.61x = 32,726.07 × 8,667.45
  4. Step 4: Simplify right side
    21,818.61x = 283,651,575.42
  5. Step 5: Solve for x
    x = 283,651,575.42/21,818.61
  6. Step 6: Final answer
    x = 13,000.44

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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.