Home / 15,589.57-23,489.59-12,877.01

Finding the Fourth Proportional to 15,589.57, 23,489.59 and 12,877.01

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Solution

The fourth proportional to 15,589.57, 23,489.59 and 12,877.01 is: 19,402.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,589.57 : 23,489.59 = 12,877.01 : x
  2. Step 2: Convert to fraction form
    15,589.57/23,489.59 = 12,877.01/x
  3. Step 3: Cross multiply
    15,589.57x = 23,489.59 × 12,877.01
  4. Step 4: Simplify right side
    15,589.57x = 302,475,620.94
  5. Step 5: Solve for x
    x = 302,475,620.94/15,589.57
  6. Step 6: Final answer
    x = 19,402.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.