Home / 15,176.07-20,943.17-8,804.14

Finding the Fourth Proportional to 15,176.07, 20,943.17 and 8,804.14

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Solution

The fourth proportional to 15,176.07, 20,943.17 and 8,804.14 is: 12,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.07 : 20,943.17 = 8,804.14 : x
  2. Step 2: Convert to fraction form
    15,176.07/20,943.17 = 8,804.14/x
  3. Step 3: Cross multiply
    15,176.07x = 20,943.17 × 8,804.14
  4. Step 4: Simplify right side
    15,176.07x = 184,386,600.72
  5. Step 5: Solve for x
    x = 184,386,600.72/15,176.07
  6. Step 6: Final answer
    x = 12,149.83

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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.