Home / 20,587.77-30,886.11-6,552.09

Finding the Fourth Proportional to 20,587.77, 30,886.11 and 6,552.09

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Solution

The fourth proportional to 20,587.77, 30,886.11 and 6,552.09 is: 9,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587.77 : 30,886.11 = 6,552.09 : x
  2. Step 2: Convert to fraction form
    20,587.77/30,886.11 = 6,552.09/x
  3. Step 3: Cross multiply
    20,587.77x = 30,886.11 × 6,552.09
  4. Step 4: Simplify right side
    20,587.77x = 202,368,572.47
  5. Step 5: Solve for x
    x = 202,368,572.47/20,587.77
  6. Step 6: Final answer
    x = 9,829.55

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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.