Home / 11,320.12-15,604.69-8,925.96

Finding the Fourth Proportional to 11,320.12, 15,604.69 and 8,925.96

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Solution

The fourth proportional to 11,320.12, 15,604.69 and 8,925.96 is: 12,304.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.12 : 15,604.69 = 8,925.96 : x
  2. Step 2: Convert to fraction form
    11,320.12/15,604.69 = 8,925.96/x
  3. Step 3: Cross multiply
    11,320.12x = 15,604.69 × 8,925.96
  4. Step 4: Simplify right side
    11,320.12x = 139,286,838.75
  5. Step 5: Solve for x
    x = 139,286,838.75/11,320.12
  6. Step 6: Final answer
    x = 12,304.36

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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.