Home / 15,977.04-23,966.64-7,658.88

Finding the Fourth Proportional to 15,977.04, 23,966.64 and 7,658.88

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Solution

The fourth proportional to 15,977.04, 23,966.64 and 7,658.88 is: 11,488.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.04 : 23,966.64 = 7,658.88 : x
  2. Step 2: Convert to fraction form
    15,977.04/23,966.64 = 7,658.88/x
  3. Step 3: Cross multiply
    15,977.04x = 23,966.64 × 7,658.88
  4. Step 4: Simplify right side
    15,977.04x = 183,557,619.76
  5. Step 5: Solve for x
    x = 183,557,619.76/15,977.04
  6. Step 6: Final answer
    x = 11,488.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.