Home / 13,565.62-18,721.15-8,527.93

Finding the Fourth Proportional to 13,565.62, 18,721.15 and 8,527.93

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Solution

The fourth proportional to 13,565.62, 18,721.15 and 8,527.93 is: 11,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.62 : 18,721.15 = 8,527.93 : x
  2. Step 2: Convert to fraction form
    13,565.62/18,721.15 = 8,527.93/x
  3. Step 3: Cross multiply
    13,565.62x = 18,721.15 × 8,527.93
  4. Step 4: Simplify right side
    13,565.62x = 159,652,588.60
  5. Step 5: Solve for x
    x = 159,652,588.60/13,565.62
  6. Step 6: Final answer
    x = 11,768.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.