Home / 21,671.22-32,510.87-6,876.15

Finding the Fourth Proportional to 21,671.22, 32,510.87 and 6,876.15

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Solution

The fourth proportional to 21,671.22, 32,510.87 and 6,876.15 is: 10,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,671.22 : 32,510.87 = 6,876.15 : x
  2. Step 2: Convert to fraction form
    21,671.22/32,510.87 = 6,876.15/x
  3. Step 3: Cross multiply
    21,671.22x = 32,510.87 × 6,876.15
  4. Step 4: Simplify right side
    21,671.22x = 223,549,618.75
  5. Step 5: Solve for x
    x = 223,549,618.75/21,671.22
  6. Step 6: Final answer
    x = 10,315.51

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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.