Home / 15,318.06-23,081.28-12,605.58

Finding the Fourth Proportional to 15,318.06, 23,081.28 and 12,605.58

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Solution

The fourth proportional to 15,318.06, 23,081.28 and 12,605.58 is: 18,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.06 : 23,081.28 = 12,605.58 : x
  2. Step 2: Convert to fraction form
    15,318.06/23,081.28 = 12,605.58/x
  3. Step 3: Cross multiply
    15,318.06x = 23,081.28 × 12,605.58
  4. Step 4: Simplify right side
    15,318.06x = 290,952,921.54
  5. Step 5: Solve for x
    x = 290,952,921.54/15,318.06
  6. Step 6: Final answer
    x = 18,994.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.