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Finding the Fourth Proportional to 10,871.08, 15,002.02 and 5,903.08

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Solution

The fourth proportional to 10,871.08, 15,002.02 and 5,903.08 is: 8,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.08 : 15,002.02 = 5,903.08 : x
  2. Step 2: Convert to fraction form
    10,871.08/15,002.02 = 5,903.08/x
  3. Step 3: Cross multiply
    10,871.08x = 15,002.02 × 5,903.08
  4. Step 4: Simplify right side
    10,871.08x = 88,558,124.22
  5. Step 5: Solve for x
    x = 88,558,124.22/10,871.08
  6. Step 6: Final answer
    x = 8,146.21

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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.