Home / 15,445.34-23,167.77-3,758.57

Finding the Fourth Proportional to 15,445.34, 23,167.77 and 3,758.57

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Solution

The fourth proportional to 15,445.34, 23,167.77 and 3,758.57 is: 5,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.34 : 23,167.77 = 3,758.57 : x
  2. Step 2: Convert to fraction form
    15,445.34/23,167.77 = 3,758.57/x
  3. Step 3: Cross multiply
    15,445.34x = 23,167.77 × 3,758.57
  4. Step 4: Simplify right side
    15,445.34x = 87,077,685.29
  5. Step 5: Solve for x
    x = 87,077,685.29/15,445.34
  6. Step 6: Final answer
    x = 5,637.80

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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.