Home / 21,541.10-32,298.42-8,378.13

Finding the Fourth Proportional to 21,541.10, 32,298.42 and 8,378.13

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Solution

The fourth proportional to 21,541.10, 32,298.42 and 8,378.13 is: 12,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.10 : 32,298.42 = 8,378.13 : x
  2. Step 2: Convert to fraction form
    21,541.10/32,298.42 = 8,378.13/x
  3. Step 3: Cross multiply
    21,541.10x = 32,298.42 × 8,378.13
  4. Step 4: Simplify right side
    21,541.10x = 270,600,361.55
  5. Step 5: Solve for x
    x = 270,600,361.55/21,541.10
  6. Step 6: Final answer
    x = 12,562.05

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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.