Home / 10,923.88-15,095.40-8,933.68

Finding the Fourth Proportional to 10,923.88, 15,095.40 and 8,933.68

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Solution

The fourth proportional to 10,923.88, 15,095.40 and 8,933.68 is: 12,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.88 : 15,095.40 = 8,933.68 : x
  2. Step 2: Convert to fraction form
    10,923.88/15,095.40 = 8,933.68/x
  3. Step 3: Cross multiply
    10,923.88x = 15,095.40 × 8,933.68
  4. Step 4: Simplify right side
    10,923.88x = 134,857,473.07
  5. Step 5: Solve for x
    x = 134,857,473.07/10,923.88
  6. Step 6: Final answer
    x = 12,345.20

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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.