Home / 15,814.26-21,823.56-9,101.19

Finding the Fourth Proportional to 15,814.26, 21,823.56 and 9,101.19

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Solution

The fourth proportional to 15,814.26, 21,823.56 and 9,101.19 is: 12,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.26 : 21,823.56 = 9,101.19 : x
  2. Step 2: Convert to fraction form
    15,814.26/21,823.56 = 9,101.19/x
  3. Step 3: Cross multiply
    15,814.26x = 21,823.56 × 9,101.19
  4. Step 4: Simplify right side
    15,814.26x = 198,620,366.04
  5. Step 5: Solve for x
    x = 198,620,366.04/15,814.26
  6. Step 6: Final answer
    x = 12,559.57

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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.