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Finding the Fourth Proportional to 13,000.10, 19,471.35 and 10,068.90

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Solution

The fourth proportional to 13,000.10, 19,471.35 and 10,068.90 is: 15,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.10 : 19,471.35 = 10,068.90 : x
  2. Step 2: Convert to fraction form
    13,000.10/19,471.35 = 10,068.90/x
  3. Step 3: Cross multiply
    13,000.10x = 19,471.35 × 10,068.90
  4. Step 4: Simplify right side
    13,000.10x = 196,055,076.02
  5. Step 5: Solve for x
    x = 196,055,076.02/13,000.10
  6. Step 6: Final answer
    x = 15,081.04

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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.