Home / 9,162.86-12,655.11-6,173.51

Finding the Fourth Proportional to 9,162.86, 12,655.11 and 6,173.51

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Solution

The fourth proportional to 9,162.86, 12,655.11 and 6,173.51 is: 8,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,162.86 : 12,655.11 = 6,173.51 : x
  2. Step 2: Convert to fraction form
    9,162.86/12,655.11 = 6,173.51/x
  3. Step 3: Cross multiply
    9,162.86x = 12,655.11 × 6,173.51
  4. Step 4: Simplify right side
    9,162.86x = 78,126,426.24
  5. Step 5: Solve for x
    x = 78,126,426.24/9,162.86
  6. Step 6: Final answer
    x = 8,526.42

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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.