Home / 13,969.62-19,276.56-8,000.70

Finding the Fourth Proportional to 13,969.62, 19,276.56 and 8,000.70

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Solution

The fourth proportional to 13,969.62, 19,276.56 and 8,000.70 is: 11,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.62 : 19,276.56 = 8,000.70 : x
  2. Step 2: Convert to fraction form
    13,969.62/19,276.56 = 8,000.70/x
  3. Step 3: Cross multiply
    13,969.62x = 19,276.56 × 8,000.70
  4. Step 4: Simplify right side
    13,969.62x = 154,225,973.59
  5. Step 5: Solve for x
    x = 154,225,973.59/13,969.62
  6. Step 6: Final answer
    x = 11,040.10

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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.