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Finding the Fourth Proportional to 9,838.95, 14,753.01 and 6,722.47

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Solution

The fourth proportional to 9,838.95, 14,753.01 and 6,722.47 is: 10,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838.95 : 14,753.01 = 6,722.47 : x
  2. Step 2: Convert to fraction form
    9,838.95/14,753.01 = 6,722.47/x
  3. Step 3: Cross multiply
    9,838.95x = 14,753.01 × 6,722.47
  4. Step 4: Simplify right side
    9,838.95x = 99,176,667.13
  5. Step 5: Solve for x
    x = 99,176,667.13/9,838.95
  6. Step 6: Final answer
    x = 10,080.01

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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.