Home / 13,247.34-19,871.01-6,300.78

Finding the Fourth Proportional to 13,247.34, 19,871.01 and 6,300.78

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Solution

The fourth proportional to 13,247.34, 19,871.01 and 6,300.78 is: 9,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.34 : 19,871.01 = 6,300.78 : x
  2. Step 2: Convert to fraction form
    13,247.34/19,871.01 = 6,300.78/x
  3. Step 3: Cross multiply
    13,247.34x = 19,871.01 × 6,300.78
  4. Step 4: Simplify right side
    13,247.34x = 125,202,862.39
  5. Step 5: Solve for x
    x = 125,202,862.39/13,247.34
  6. Step 6: Final answer
    x = 9,451.17

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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.