Home / 10,078.44-13,908.40-5,602.38

Finding the Fourth Proportional to 10,078.44, 13,908.40 and 5,602.38

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Solution

The fourth proportional to 10,078.44, 13,908.40 and 5,602.38 is: 7,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.44 : 13,908.40 = 5,602.38 : x
  2. Step 2: Convert to fraction form
    10,078.44/13,908.40 = 5,602.38/x
  3. Step 3: Cross multiply
    10,078.44x = 13,908.40 × 5,602.38
  4. Step 4: Simplify right side
    10,078.44x = 77,920,141.99
  5. Step 5: Solve for x
    x = 77,920,141.99/10,078.44
  6. Step 6: Final answer
    x = 7,731.37

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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.