Home / 18,036.40-24,881.16-12,068.32

Finding the Fourth Proportional to 18,036.40, 24,881.16 and 12,068.32

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Solution

The fourth proportional to 18,036.40, 24,881.16 and 12,068.32 is: 16,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.40 : 24,881.16 = 12,068.32 : x
  2. Step 2: Convert to fraction form
    18,036.40/24,881.16 = 12,068.32/x
  3. Step 3: Cross multiply
    18,036.40x = 24,881.16 × 12,068.32
  4. Step 4: Simplify right side
    18,036.40x = 300,273,800.85
  5. Step 5: Solve for x
    x = 300,273,800.85/18,036.40
  6. Step 6: Final answer
    x = 16,648.21

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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.