Home / 18,510.08-27,764.88-4,470

Finding the Fourth Proportional to 18,510.08, 27,764.88 and 4,470

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Solution

The fourth proportional to 18,510.08, 27,764.88 and 4,470 is: 6,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.08 : 27,764.88 = 4,470 : x
  2. Step 2: Convert to fraction form
    18,510.08/27,764.88 = 4,470/x
  3. Step 3: Cross multiply
    18,510.08x = 27,764.88 × 4,470
  4. Step 4: Simplify right side
    18,510.08x = 124,109,013.60
  5. Step 5: Solve for x
    x = 124,109,013.60/18,510.08
  6. Step 6: Final answer
    x = 6,704.94

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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.