Home / 10,781.36-14,878.11-6,065.62

Finding the Fourth Proportional to 10,781.36, 14,878.11 and 6,065.62

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Solution

The fourth proportional to 10,781.36, 14,878.11 and 6,065.62 is: 8,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.36 : 14,878.11 = 6,065.62 : x
  2. Step 2: Convert to fraction form
    10,781.36/14,878.11 = 6,065.62/x
  3. Step 3: Cross multiply
    10,781.36x = 14,878.11 × 6,065.62
  4. Step 4: Simplify right side
    10,781.36x = 90,244,961.58
  5. Step 5: Solve for x
    x = 90,244,961.58/10,781.36
  6. Step 6: Final answer
    x = 8,370.46

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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.