Home / 10,827.76-14,942.40-6,112.08

Finding the Fourth Proportional to 10,827.76, 14,942.40 and 6,112.08

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Solution

The fourth proportional to 10,827.76, 14,942.40 and 6,112.08 is: 8,434.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.76 : 14,942.40 = 6,112.08 : x
  2. Step 2: Convert to fraction form
    10,827.76/14,942.40 = 6,112.08/x
  3. Step 3: Cross multiply
    10,827.76x = 14,942.40 × 6,112.08
  4. Step 4: Simplify right side
    10,827.76x = 91,329,144.19
  5. Step 5: Solve for x
    x = 91,329,144.19/10,827.76
  6. Step 6: Final answer
    x = 8,434.72

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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.