Home / 18,707.56-25,819.02-10,749.61

Finding the Fourth Proportional to 18,707.56, 25,819.02 and 10,749.61

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Solution

The fourth proportional to 18,707.56, 25,819.02 and 10,749.61 is: 14,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.56 : 25,819.02 = 10,749.61 : x
  2. Step 2: Convert to fraction form
    18,707.56/25,819.02 = 10,749.61/x
  3. Step 3: Cross multiply
    18,707.56x = 25,819.02 × 10,749.61
  4. Step 4: Simplify right side
    18,707.56x = 277,544,427.86
  5. Step 5: Solve for x
    x = 277,544,427.86/18,707.56
  6. Step 6: Final answer
    x = 14,835.95

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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.