Home / 18,259.32-25,188.18-12,584.18

Finding the Fourth Proportional to 18,259.32, 25,188.18 and 12,584.18

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Solution

The fourth proportional to 18,259.32, 25,188.18 and 12,584.18 is: 17,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.32 : 25,188.18 = 12,584.18 : x
  2. Step 2: Convert to fraction form
    18,259.32/25,188.18 = 12,584.18/x
  3. Step 3: Cross multiply
    18,259.32x = 25,188.18 × 12,584.18
  4. Step 4: Simplify right side
    18,259.32x = 316,972,590.99
  5. Step 5: Solve for x
    x = 316,972,590.99/18,259.32
  6. Step 6: Final answer
    x = 17,359.50

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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.