Home / 13,567.02-20,350.71-6,989.82

Finding the Fourth Proportional to 13,567.02, 20,350.71 and 6,989.82

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Solution

The fourth proportional to 13,567.02, 20,350.71 and 6,989.82 is: 10,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.02 : 20,350.71 = 6,989.82 : x
  2. Step 2: Convert to fraction form
    13,567.02/20,350.71 = 6,989.82/x
  3. Step 3: Cross multiply
    13,567.02x = 20,350.71 × 6,989.82
  4. Step 4: Simplify right side
    13,567.02x = 142,247,799.77
  5. Step 5: Solve for x
    x = 142,247,799.77/13,567.02
  6. Step 6: Final answer
    x = 10,484.82

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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.