Home / 10,821.18-14,933.55-6,627.06

Finding the Fourth Proportional to 10,821.18, 14,933.55 and 6,627.06

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Solution

The fourth proportional to 10,821.18, 14,933.55 and 6,627.06 is: 9,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.18 : 14,933.55 = 6,627.06 : x
  2. Step 2: Convert to fraction form
    10,821.18/14,933.55 = 6,627.06/x
  3. Step 3: Cross multiply
    10,821.18x = 14,933.55 × 6,627.06
  4. Step 4: Simplify right side
    10,821.18x = 98,965,531.86
  5. Step 5: Solve for x
    x = 98,965,531.86/10,821.18
  6. Step 6: Final answer
    x = 9,145.54

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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.