Home / 10,009.89-13,814.85-5,818.14

Finding the Fourth Proportional to 10,009.89, 13,814.85 and 5,818.14

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Solution

The fourth proportional to 10,009.89, 13,814.85 and 5,818.14 is: 8,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.89 : 13,814.85 = 5,818.14 : x
  2. Step 2: Convert to fraction form
    10,009.89/13,814.85 = 5,818.14/x
  3. Step 3: Cross multiply
    10,009.89x = 13,814.85 × 5,818.14
  4. Step 4: Simplify right side
    10,009.89x = 80,376,731.38
  5. Step 5: Solve for x
    x = 80,376,731.38/10,009.89
  6. Step 6: Final answer
    x = 8,029.73

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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.