Home / 13,545.84-18,704.73-10,182.81

Finding the Fourth Proportional to 13,545.84, 18,704.73 and 10,182.81

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Solution

The fourth proportional to 13,545.84, 18,704.73 and 10,182.81 is: 14,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.84 : 18,704.73 = 10,182.81 : x
  2. Step 2: Convert to fraction form
    13,545.84/18,704.73 = 10,182.81/x
  3. Step 3: Cross multiply
    13,545.84x = 18,704.73 × 10,182.81
  4. Step 4: Simplify right side
    13,545.84x = 190,466,711.69
  5. Step 5: Solve for x
    x = 190,466,711.69/13,545.84
  6. Step 6: Final answer
    x = 14,060.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.