Home / 12,545.36-17,314.80-8,565.02

Finding the Fourth Proportional to 12,545.36, 17,314.80 and 8,565.02

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Solution

The fourth proportional to 12,545.36, 17,314.80 and 8,565.02 is: 11,821.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.36 : 17,314.80 = 8,565.02 : x
  2. Step 2: Convert to fraction form
    12,545.36/17,314.80 = 8,565.02/x
  3. Step 3: Cross multiply
    12,545.36x = 17,314.80 × 8,565.02
  4. Step 4: Simplify right side
    12,545.36x = 148,301,608.30
  5. Step 5: Solve for x
    x = 148,301,608.30/12,545.36
  6. Step 6: Final answer
    x = 11,821.23

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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.