Home / 13,247.51-18,281.45-7,197.69

Finding the Fourth Proportional to 13,247.51, 18,281.45 and 7,197.69

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Solution

The fourth proportional to 13,247.51, 18,281.45 and 7,197.69 is: 9,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.51 : 18,281.45 = 7,197.69 : x
  2. Step 2: Convert to fraction form
    13,247.51/18,281.45 = 7,197.69/x
  3. Step 3: Cross multiply
    13,247.51x = 18,281.45 × 7,197.69
  4. Step 4: Simplify right side
    13,247.51x = 131,584,101.66
  5. Step 5: Solve for x
    x = 131,584,101.66/13,247.51
  6. Step 6: Final answer
    x = 9,932.74

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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.