Home / 21,892.04-30,203.52-12,458.24

Finding the Fourth Proportional to 21,892.04, 30,203.52 and 12,458.24

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Solution

The fourth proportional to 21,892.04, 30,203.52 and 12,458.24 is: 17,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892.04 : 30,203.52 = 12,458.24 : x
  2. Step 2: Convert to fraction form
    21,892.04/30,203.52 = 12,458.24/x
  3. Step 3: Cross multiply
    21,892.04x = 30,203.52 × 12,458.24
  4. Step 4: Simplify right side
    21,892.04x = 376,282,701.00
  5. Step 5: Solve for x
    x = 376,282,701.00/21,892.04
  6. Step 6: Final answer
    x = 17,188.11

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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.