Home / 13,254.50-18,290.90-7,204.59

Finding the Fourth Proportional to 13,254.50, 18,290.90 and 7,204.59

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Solution

The fourth proportional to 13,254.50, 18,290.90 and 7,204.59 is: 9,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.50 : 18,290.90 = 7,204.59 : x
  2. Step 2: Convert to fraction form
    13,254.50/18,290.90 = 7,204.59/x
  3. Step 3: Cross multiply
    13,254.50x = 18,290.90 × 7,204.59
  4. Step 4: Simplify right side
    13,254.50x = 131,778,399.21
  5. Step 5: Solve for x
    x = 131,778,399.21/13,254.50
  6. Step 6: Final answer
    x = 9,942.17

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1.5x scale

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.