Home / 10,569.48-15,853.40-2,778.09

Finding the Fourth Proportional to 10,569.48, 15,853.40 and 2,778.09

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Solution

The fourth proportional to 10,569.48, 15,853.40 and 2,778.09 is: 4,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.48 : 15,853.40 = 2,778.09 : x
  2. Step 2: Convert to fraction form
    10,569.48/15,853.40 = 2,778.09/x
  3. Step 3: Cross multiply
    10,569.48x = 15,853.40 × 2,778.09
  4. Step 4: Simplify right side
    10,569.48x = 44,042,172.01
  5. Step 5: Solve for x
    x = 44,042,172.01/10,569.48
  6. Step 6: Final answer
    x = 4,166.92

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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.