Home / 21,588.13-32,386.61-8,260.19

Finding the Fourth Proportional to 21,588.13, 32,386.61 and 8,260.19

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Solution

The fourth proportional to 21,588.13, 32,386.61 and 8,260.19 is: 12,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.13 : 32,386.61 = 8,260.19 : x
  2. Step 2: Convert to fraction form
    21,588.13/32,386.61 = 8,260.19/x
  3. Step 3: Cross multiply
    21,588.13x = 32,386.61 × 8,260.19
  4. Step 4: Simplify right side
    21,588.13x = 267,519,410.77
  5. Step 5: Solve for x
    x = 267,519,410.77/21,588.13
  6. Step 6: Final answer
    x = 12,391.97

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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.