Home / 13,002.59-19,501.44-5,104.78

Finding the Fourth Proportional to 13,002.59, 19,501.44 and 5,104.78

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Solution

The fourth proportional to 13,002.59, 19,501.44 and 5,104.78 is: 7,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002.59 : 19,501.44 = 5,104.78 : x
  2. Step 2: Convert to fraction form
    13,002.59/19,501.44 = 5,104.78/x
  3. Step 3: Cross multiply
    13,002.59x = 19,501.44 × 5,104.78
  4. Step 4: Simplify right side
    13,002.59x = 99,550,560.88
  5. Step 5: Solve for x
    x = 99,550,560.88/13,002.59
  6. Step 6: Final answer
    x = 7,656.21

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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.