Home / 13,681.93-20,512.63-5,793.69

Finding the Fourth Proportional to 13,681.93, 20,512.63 and 5,793.69

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Solution

The fourth proportional to 13,681.93, 20,512.63 and 5,793.69 is: 8,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681.93 : 20,512.63 = 5,793.69 : x
  2. Step 2: Convert to fraction form
    13,681.93/20,512.63 = 5,793.69/x
  3. Step 3: Cross multiply
    13,681.93x = 20,512.63 × 5,793.69
  4. Step 4: Simplify right side
    13,681.93x = 118,843,819.30
  5. Step 5: Solve for x
    x = 118,843,819.30/13,681.93
  6. Step 6: Final answer
    x = 8,686.19

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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.