Home / 10,925.10-15,072.75-6,446.61

Finding the Fourth Proportional to 10,925.10, 15,072.75 and 6,446.61

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Solution

The fourth proportional to 10,925.10, 15,072.75 and 6,446.61 is: 8,894.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.10 : 15,072.75 = 6,446.61 : x
  2. Step 2: Convert to fraction form
    10,925.10/15,072.75 = 6,446.61/x
  3. Step 3: Cross multiply
    10,925.10x = 15,072.75 × 6,446.61
  4. Step 4: Simplify right side
    10,925.10x = 97,168,140.88
  5. Step 5: Solve for x
    x = 97,168,140.88/10,925.10
  6. Step 6: Final answer
    x = 8,894.03

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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.