Home / 13,138.14-19,707.51-4,373.76

Finding the Fourth Proportional to 13,138.14, 19,707.51 and 4,373.76

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Solution

The fourth proportional to 13,138.14, 19,707.51 and 4,373.76 is: 6,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,138.14 : 19,707.51 = 4,373.76 : x
  2. Step 2: Convert to fraction form
    13,138.14/19,707.51 = 4,373.76/x
  3. Step 3: Cross multiply
    13,138.14x = 19,707.51 × 4,373.76
  4. Step 4: Simplify right side
    13,138.14x = 86,195,918.94
  5. Step 5: Solve for x
    x = 86,195,918.94/13,138.14
  6. Step 6: Final answer
    x = 6,560.74

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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.