Home / 10,211.78-14,095.17-6,178.60

Finding the Fourth Proportional to 10,211.78, 14,095.17 and 6,178.60

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Solution

The fourth proportional to 10,211.78, 14,095.17 and 6,178.60 is: 8,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.78 : 14,095.17 = 6,178.60 : x
  2. Step 2: Convert to fraction form
    10,211.78/14,095.17 = 6,178.60/x
  3. Step 3: Cross multiply
    10,211.78x = 14,095.17 × 6,178.60
  4. Step 4: Simplify right side
    10,211.78x = 87,088,346.89
  5. Step 5: Solve for x
    x = 87,088,346.89/10,211.78
  6. Step 6: Final answer
    x = 8,528.22

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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.