Home / 17,382.50-23,987.70-9,830.31

Finding the Fourth Proportional to 17,382.50, 23,987.70 and 9,830.31

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Solution

The fourth proportional to 17,382.50, 23,987.70 and 9,830.31 is: 13,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382.50 : 23,987.70 = 9,830.31 : x
  2. Step 2: Convert to fraction form
    17,382.50/23,987.70 = 9,830.31/x
  3. Step 3: Cross multiply
    17,382.50x = 23,987.70 × 9,830.31
  4. Step 4: Simplify right side
    17,382.50x = 235,806,527.19
  5. Step 5: Solve for x
    x = 235,806,527.19/17,382.50
  6. Step 6: Final answer
    x = 13,565.75

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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.