Home / 11,925.96-17,901.39-8,809.47

Finding the Fourth Proportional to 11,925.96, 17,901.39 and 8,809.47

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Solution

The fourth proportional to 11,925.96, 17,901.39 and 8,809.47 is: 13,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.96 : 17,901.39 = 8,809.47 : x
  2. Step 2: Convert to fraction form
    11,925.96/17,901.39 = 8,809.47/x
  3. Step 3: Cross multiply
    11,925.96x = 17,901.39 × 8,809.47
  4. Step 4: Simplify right side
    11,925.96x = 157,701,758.16
  5. Step 5: Solve for x
    x = 157,701,758.16/11,925.96
  6. Step 6: Final answer
    x = 13,223.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.