Home / 12,554.24-18,836.64-6,320

Finding the Fourth Proportional to 12,554.24, 18,836.64 and 6,320

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Solution

The fourth proportional to 12,554.24, 18,836.64 and 6,320 is: 9,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.24 : 18,836.64 = 6,320 : x
  2. Step 2: Convert to fraction form
    12,554.24/18,836.64 = 6,320/x
  3. Step 3: Cross multiply
    12,554.24x = 18,836.64 × 6,320
  4. Step 4: Simplify right side
    12,554.24x = 119,047,564.80
  5. Step 5: Solve for x
    x = 119,047,564.80/12,554.24
  6. Step 6: Final answer
    x = 9,482.66

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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.