Home / 18,366.04-25,309.60-12,387.33

Finding the Fourth Proportional to 18,366.04, 25,309.60 and 12,387.33

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Solution

The fourth proportional to 18,366.04, 25,309.60 and 12,387.33 is: 17,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366.04 : 25,309.60 = 12,387.33 : x
  2. Step 2: Convert to fraction form
    18,366.04/25,309.60 = 12,387.33/x
  3. Step 3: Cross multiply
    18,366.04x = 25,309.60 × 12,387.33
  4. Step 4: Simplify right side
    18,366.04x = 313,518,367.37
  5. Step 5: Solve for x
    x = 313,518,367.37/18,366.04
  6. Step 6: Final answer
    x = 17,070.55

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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.