Home / 12,545.33-17,314.83-8,564.99

Finding the Fourth Proportional to 12,545.33, 17,314.83 and 8,564.99

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Solution

The fourth proportional to 12,545.33, 17,314.83 and 8,564.99 is: 11,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.33 : 17,314.83 = 8,564.99 : x
  2. Step 2: Convert to fraction form
    12,545.33/17,314.83 = 8,564.99/x
  3. Step 3: Cross multiply
    12,545.33x = 17,314.83 × 8,564.99
  4. Step 4: Simplify right side
    12,545.33x = 148,301,259.23
  5. Step 5: Solve for x
    x = 148,301,259.23/12,545.33
  6. Step 6: Final answer
    x = 11,821.24

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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.