Home / 18,510.03-27,767.79-5,360.76

Finding the Fourth Proportional to 18,510.03, 27,767.79 and 5,360.76

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Solution

The fourth proportional to 18,510.03, 27,767.79 and 5,360.76 is: 8,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.03 : 27,767.79 = 5,360.76 : x
  2. Step 2: Convert to fraction form
    18,510.03/27,767.79 = 5,360.76/x
  3. Step 3: Cross multiply
    18,510.03x = 27,767.79 × 5,360.76
  4. Step 4: Simplify right side
    18,510.03x = 148,856,457.92
  5. Step 5: Solve for x
    x = 148,856,457.92/18,510.03
  6. Step 6: Final answer
    x = 8,041.93

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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.