Home / 15,033.57-20,746.23-8,319.07

Finding the Fourth Proportional to 15,033.57, 20,746.23 and 8,319.07

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Solution

The fourth proportional to 15,033.57, 20,746.23 and 8,319.07 is: 11,480.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.57 : 20,746.23 = 8,319.07 : x
  2. Step 2: Convert to fraction form
    15,033.57/20,746.23 = 8,319.07/x
  3. Step 3: Cross multiply
    15,033.57x = 20,746.23 × 8,319.07
  4. Step 4: Simplify right side
    15,033.57x = 172,589,339.61
  5. Step 5: Solve for x
    x = 172,589,339.61/15,033.57
  6. Step 6: Final answer
    x = 11,480.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.