Home / 18,024.32-27,036.84-4,876.76

Finding the Fourth Proportional to 18,024.32, 27,036.84 and 4,876.76

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Solution

The fourth proportional to 18,024.32, 27,036.84 and 4,876.76 is: 7,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,024.32 : 27,036.84 = 4,876.76 : x
  2. Step 2: Convert to fraction form
    18,024.32/27,036.84 = 4,876.76/x
  3. Step 3: Cross multiply
    18,024.32x = 27,036.84 × 4,876.76
  4. Step 4: Simplify right side
    18,024.32x = 131,852,179.84
  5. Step 5: Solve for x
    x = 131,852,179.84/18,024.32
  6. Step 6: Final answer
    x = 7,315.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.