Home / 12,358.24-17,059.80-7,887.82

Finding the Fourth Proportional to 12,358.24, 17,059.80 and 7,887.82

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Solution

The fourth proportional to 12,358.24, 17,059.80 and 7,887.82 is: 10,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.24 : 17,059.80 = 7,887.82 : x
  2. Step 2: Convert to fraction form
    12,358.24/17,059.80 = 7,887.82/x
  3. Step 3: Cross multiply
    12,358.24x = 17,059.80 × 7,887.82
  4. Step 4: Simplify right side
    12,358.24x = 134,564,631.64
  5. Step 5: Solve for x
    x = 134,564,631.64/12,358.24
  6. Step 6: Final answer
    x = 10,888.66

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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.