Home / 17,347.40-23,919.45-12,816.65

Finding the Fourth Proportional to 17,347.40, 23,919.45 and 12,816.65

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Solution

The fourth proportional to 17,347.40, 23,919.45 and 12,816.65 is: 17,672.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,347.40 : 23,919.45 = 12,816.65 : x
  2. Step 2: Convert to fraction form
    17,347.40/23,919.45 = 12,816.65/x
  3. Step 3: Cross multiply
    17,347.40x = 23,919.45 × 12,816.65
  4. Step 4: Simplify right side
    17,347.40x = 306,567,099.25
  5. Step 5: Solve for x
    x = 306,567,099.25/17,347.40
  6. Step 6: Final answer
    x = 17,672.23

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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.