Home / 15,575.93-21,495.24-8,860.31

Finding the Fourth Proportional to 15,575.93, 21,495.24 and 8,860.31

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Solution

The fourth proportional to 15,575.93, 21,495.24 and 8,860.31 is: 12,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.93 : 21,495.24 = 8,860.31 : x
  2. Step 2: Convert to fraction form
    15,575.93/21,495.24 = 8,860.31/x
  3. Step 3: Cross multiply
    15,575.93x = 21,495.24 × 8,860.31
  4. Step 4: Simplify right side
    15,575.93x = 190,454,382.45
  5. Step 5: Solve for x
    x = 190,454,382.45/15,575.93
  6. Step 6: Final answer
    x = 12,227.48

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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.