Home / 10,098.08-13,935.20-5,621.82

Finding the Fourth Proportional to 10,098.08, 13,935.20 and 5,621.82

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Solution

The fourth proportional to 10,098.08, 13,935.20 and 5,621.82 is: 7,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.08 : 13,935.20 = 5,621.82 : x
  2. Step 2: Convert to fraction form
    10,098.08/13,935.20 = 5,621.82/x
  3. Step 3: Cross multiply
    10,098.08x = 13,935.20 × 5,621.82
  4. Step 4: Simplify right side
    10,098.08x = 78,341,186.06
  5. Step 5: Solve for x
    x = 78,341,186.06/10,098.08
  6. Step 6: Final answer
    x = 7,758.03

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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.