Home / 13,617.90-20,435.01-5,826.72

Finding the Fourth Proportional to 13,617.90, 20,435.01 and 5,826.72

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Solution

The fourth proportional to 13,617.90, 20,435.01 and 5,826.72 is: 8,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.90 : 20,435.01 = 5,826.72 : x
  2. Step 2: Convert to fraction form
    13,617.90/20,435.01 = 5,826.72/x
  3. Step 3: Cross multiply
    13,617.90x = 20,435.01 × 5,826.72
  4. Step 4: Simplify right side
    13,617.90x = 119,069,081.47
  5. Step 5: Solve for x
    x = 119,069,081.47/13,617.90
  6. Step 6: Final answer
    x = 8,743.57

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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.