Home / 18,951.16-26,152.86-12,237.08

Finding the Fourth Proportional to 18,951.16, 26,152.86 and 12,237.08

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Solution

The fourth proportional to 18,951.16, 26,152.86 and 12,237.08 is: 16,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951.16 : 26,152.86 = 12,237.08 : x
  2. Step 2: Convert to fraction form
    18,951.16/26,152.86 = 12,237.08/x
  3. Step 3: Cross multiply
    18,951.16x = 26,152.86 × 12,237.08
  4. Step 4: Simplify right side
    18,951.16x = 320,034,640.05
  5. Step 5: Solve for x
    x = 320,034,640.05/18,951.16
  6. Step 6: Final answer
    x = 16,887.34

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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.