Home / 13,193.30-18,206.85-7,225.52

Finding the Fourth Proportional to 13,193.30, 18,206.85 and 7,225.52

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Solution

The fourth proportional to 13,193.30, 18,206.85 and 7,225.52 is: 9,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,193.30 : 18,206.85 = 7,225.52 : x
  2. Step 2: Convert to fraction form
    13,193.30/18,206.85 = 7,225.52/x
  3. Step 3: Cross multiply
    13,193.30x = 18,206.85 × 7,225.52
  4. Step 4: Simplify right side
    13,193.30x = 131,553,958.81
  5. Step 5: Solve for x
    x = 131,553,958.81/13,193.30
  6. Step 6: Final answer
    x = 9,971.27

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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.