Home / 17,088.90-25,580.01-12,591.04

Finding the Fourth Proportional to 17,088.90, 25,580.01 and 12,591.04

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Solution

The fourth proportional to 17,088.90, 25,580.01 and 12,591.04 is: 18,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,088.90 : 25,580.01 = 12,591.04 : x
  2. Step 2: Convert to fraction form
    17,088.90/25,580.01 = 12,591.04/x
  3. Step 3: Cross multiply
    17,088.90x = 25,580.01 × 12,591.04
  4. Step 4: Simplify right side
    17,088.90x = 322,078,929.11
  5. Step 5: Solve for x
    x = 322,078,929.11/17,088.90
  6. Step 6: Final answer
    x = 18,847.26

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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.