Home / 13,187.53-19,774.92-4,871.46

Finding the Fourth Proportional to 13,187.53, 19,774.92 and 4,871.46

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Solution

The fourth proportional to 13,187.53, 19,774.92 and 4,871.46 is: 7,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187.53 : 19,774.92 = 4,871.46 : x
  2. Step 2: Convert to fraction form
    13,187.53/19,774.92 = 4,871.46/x
  3. Step 3: Cross multiply
    13,187.53x = 19,774.92 × 4,871.46
  4. Step 4: Simplify right side
    13,187.53x = 96,332,731.78
  5. Step 5: Solve for x
    x = 96,332,731.78/13,187.53
  6. Step 6: Final answer
    x = 7,304.84

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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.