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Finding the Fourth Proportional to 9,943.35, 14,915.01 and 5,017.11

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Solution

The fourth proportional to 9,943.35, 14,915.01 and 5,017.11 is: 7,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.35 : 14,915.01 = 5,017.11 : x
  2. Step 2: Convert to fraction form
    9,943.35/14,915.01 = 5,017.11/x
  3. Step 3: Cross multiply
    9,943.35x = 14,915.01 × 5,017.11
  4. Step 4: Simplify right side
    9,943.35x = 74,830,245.82
  5. Step 5: Solve for x
    x = 74,830,245.82/9,943.35
  6. Step 6: Final answer
    x = 7,525.66

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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.