Home / 11,010.53-16,515.63-7,630.21

Finding the Fourth Proportional to 11,010.53, 16,515.63 and 7,630.21

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Solution

The fourth proportional to 11,010.53, 16,515.63 and 7,630.21 is: 11,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.53 : 16,515.63 = 7,630.21 : x
  2. Step 2: Convert to fraction form
    11,010.53/16,515.63 = 7,630.21/x
  3. Step 3: Cross multiply
    11,010.53x = 16,515.63 × 7,630.21
  4. Step 4: Simplify right side
    11,010.53x = 126,017,642.60
  5. Step 5: Solve for x
    x = 126,017,642.60/11,010.53
  6. Step 6: Final answer
    x = 11,445.19

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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.