Home / 13,480.59-20,206.31-5,588.36

Finding the Fourth Proportional to 13,480.59, 20,206.31 and 5,588.36

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Solution

The fourth proportional to 13,480.59, 20,206.31 and 5,588.36 is: 8,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.59 : 20,206.31 = 5,588.36 : x
  2. Step 2: Convert to fraction form
    13,480.59/20,206.31 = 5,588.36/x
  3. Step 3: Cross multiply
    13,480.59x = 20,206.31 × 5,588.36
  4. Step 4: Simplify right side
    13,480.59x = 112,920,005.58
  5. Step 5: Solve for x
    x = 112,920,005.58/13,480.59
  6. Step 6: Final answer
    x = 8,376.49

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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.