Home / 19,575.12-27,013.20-10,622.24

Finding the Fourth Proportional to 19,575.12, 27,013.20 and 10,622.24

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Solution

The fourth proportional to 19,575.12, 27,013.20 and 10,622.24 is: 14,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.12 : 27,013.20 = 10,622.24 : x
  2. Step 2: Convert to fraction form
    19,575.12/27,013.20 = 10,622.24/x
  3. Step 3: Cross multiply
    19,575.12x = 27,013.20 × 10,622.24
  4. Step 4: Simplify right side
    19,575.12x = 286,940,693.57
  5. Step 5: Solve for x
    x = 286,940,693.57/19,575.12
  6. Step 6: Final answer
    x = 14,658.44

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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.