Home / 13,397.58-20,067.12-6,457.50

Finding the Fourth Proportional to 13,397.58, 20,067.12 and 6,457.50

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Solution

The fourth proportional to 13,397.58, 20,067.12 and 6,457.50 is: 9,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.58 : 20,067.12 = 6,457.50 : x
  2. Step 2: Convert to fraction form
    13,397.58/20,067.12 = 6,457.50/x
  3. Step 3: Cross multiply
    13,397.58x = 20,067.12 × 6,457.50
  4. Step 4: Simplify right side
    13,397.58x = 129,583,427.40
  5. Step 5: Solve for x
    x = 129,583,427.40/13,397.58
  6. Step 6: Final answer
    x = 9,672.15

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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.