Home / 8,960.05-12,323.76-7,187.77

Finding the Fourth Proportional to 8,960.05, 12,323.76 and 7,187.77

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Solution

The fourth proportional to 8,960.05, 12,323.76 and 7,187.77 is: 9,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.05 : 12,323.76 = 7,187.77 : x
  2. Step 2: Convert to fraction form
    8,960.05/12,323.76 = 7,187.77/x
  3. Step 3: Cross multiply
    8,960.05x = 12,323.76 × 7,187.77
  4. Step 4: Simplify right side
    8,960.05x = 88,580,352.42
  5. Step 5: Solve for x
    x = 88,580,352.42/8,960.05
  6. Step 6: Final answer
    x = 9,886.14

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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.