Home / 13,122.73-19,673.70-6,545.53

Finding the Fourth Proportional to 13,122.73, 19,673.70 and 6,545.53

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Solution

The fourth proportional to 13,122.73, 19,673.70 and 6,545.53 is: 9,813.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.73 : 19,673.70 = 6,545.53 : x
  2. Step 2: Convert to fraction form
    13,122.73/19,673.70 = 6,545.53/x
  3. Step 3: Cross multiply
    13,122.73x = 19,673.70 × 6,545.53
  4. Step 4: Simplify right side
    13,122.73x = 128,774,793.56
  5. Step 5: Solve for x
    x = 128,774,793.56/13,122.73
  6. Step 6: Final answer
    x = 9,813.11

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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.