Home / 13,587.84-20,370.96-5,267.52

Finding the Fourth Proportional to 13,587.84, 20,370.96 and 5,267.52

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Solution

The fourth proportional to 13,587.84, 20,370.96 and 5,267.52 is: 7,897.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.84 : 20,370.96 = 5,267.52 : x
  2. Step 2: Convert to fraction form
    13,587.84/20,370.96 = 5,267.52/x
  3. Step 3: Cross multiply
    13,587.84x = 20,370.96 × 5,267.52
  4. Step 4: Simplify right side
    13,587.84x = 107,304,439.22
  5. Step 5: Solve for x
    x = 107,304,439.22/13,587.84
  6. Step 6: Final answer
    x = 7,897.09

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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.