Home / 15,284.71-22,920.27-5,290.39

Finding the Fourth Proportional to 15,284.71, 22,920.27 and 5,290.39

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Solution

The fourth proportional to 15,284.71, 22,920.27 and 5,290.39 is: 7,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.71 : 22,920.27 = 5,290.39 : x
  2. Step 2: Convert to fraction form
    15,284.71/22,920.27 = 5,290.39/x
  3. Step 3: Cross multiply
    15,284.71x = 22,920.27 × 5,290.39
  4. Step 4: Simplify right side
    15,284.71x = 121,257,167.21
  5. Step 5: Solve for x
    x = 121,257,167.21/15,284.71
  6. Step 6: Final answer
    x = 7,933.23

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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.