Home / 18,510.30-27,769.77-5,362.92

Finding the Fourth Proportional to 18,510.30, 27,769.77 and 5,362.92

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Solution

The fourth proportional to 18,510.30, 27,769.77 and 5,362.92 is: 8,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.30 : 27,769.77 = 5,362.92 : x
  2. Step 2: Convert to fraction form
    18,510.30/27,769.77 = 5,362.92/x
  3. Step 3: Cross multiply
    18,510.30x = 27,769.77 × 5,362.92
  4. Step 4: Simplify right side
    18,510.30x = 148,927,054.93
  5. Step 5: Solve for x
    x = 148,927,054.93/18,510.30
  6. Step 6: Final answer
    x = 8,045.63

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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.