Home / 18,462.06-27,710.10-12,894.93

Finding the Fourth Proportional to 18,462.06, 27,710.10 and 12,894.93

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Solution

The fourth proportional to 18,462.06, 27,710.10 and 12,894.93 is: 19,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,462.06 : 27,710.10 = 12,894.93 : x
  2. Step 2: Convert to fraction form
    18,462.06/27,710.10 = 12,894.93/x
  3. Step 3: Cross multiply
    18,462.06x = 27,710.10 × 12,894.93
  4. Step 4: Simplify right side
    18,462.06x = 357,319,799.79
  5. Step 5: Solve for x
    x = 357,319,799.79/18,462.06
  6. Step 6: Final answer
    x = 19,354.28

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1.5x scale

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.