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Finding the Fourth Proportional to 9,886.52, 14,803.97 and 7,903.04

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Solution

The fourth proportional to 9,886.52, 14,803.97 and 7,903.04 is: 11,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.52 : 14,803.97 = 7,903.04 : x
  2. Step 2: Convert to fraction form
    9,886.52/14,803.97 = 7,903.04/x
  3. Step 3: Cross multiply
    9,886.52x = 14,803.97 × 7,903.04
  4. Step 4: Simplify right side
    9,886.52x = 116,996,253.53
  5. Step 5: Solve for x
    x = 116,996,253.53/9,886.52
  6. Step 6: Final answer
    x = 11,833.91

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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.