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Finding the Fourth Proportional to 18,510.67, 27,766.01 and 14,795.51

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Solution

The fourth proportional to 18,510.67, 27,766.01 and 14,795.51 is: 22,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.67 : 27,766.01 = 14,795.51 : x
  2. Step 2: Convert to fraction form
    18,510.67/27,766.01 = 14,795.51/x
  3. Step 3: Cross multiply
    18,510.67x = 27,766.01 × 14,795.51
  4. Step 4: Simplify right side
    18,510.67x = 410,812,065.81
  5. Step 5: Solve for x
    x = 410,812,065.81/18,510.67
  6. Step 6: Final answer
    x = 22,193.26

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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.