Home / 12,581.68-17,362.73-6,916.80

Finding the Fourth Proportional to 12,581.68, 17,362.73 and 6,916.80

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Solution

The fourth proportional to 12,581.68, 17,362.73 and 6,916.80 is: 9,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.68 : 17,362.73 = 6,916.80 : x
  2. Step 2: Convert to fraction form
    12,581.68/17,362.73 = 6,916.80/x
  3. Step 3: Cross multiply
    12,581.68x = 17,362.73 × 6,916.80
  4. Step 4: Simplify right side
    12,581.68x = 120,094,530.86
  5. Step 5: Solve for x
    x = 120,094,530.86/12,581.68
  6. Step 6: Final answer
    x = 9,545.19

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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.