Home / 15,559.09-23,317.71-8,528.56

Finding the Fourth Proportional to 15,559.09, 23,317.71 and 8,528.56

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Solution

The fourth proportional to 15,559.09, 23,317.71 and 8,528.56 is: 12,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.09 : 23,317.71 = 8,528.56 : x
  2. Step 2: Convert to fraction form
    15,559.09/23,317.71 = 8,528.56/x
  3. Step 3: Cross multiply
    15,559.09x = 23,317.71 × 8,528.56
  4. Step 4: Simplify right side
    15,559.09x = 198,866,488.80
  5. Step 5: Solve for x
    x = 198,866,488.80/15,559.09
  6. Step 6: Final answer
    x = 12,781.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.