Home / 10,618.24-15,927.27-2,720.74

Finding the Fourth Proportional to 10,618.24, 15,927.27 and 2,720.74

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Solution

The fourth proportional to 10,618.24, 15,927.27 and 2,720.74 is: 4,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.24 : 15,927.27 = 2,720.74 : x
  2. Step 2: Convert to fraction form
    10,618.24/15,927.27 = 2,720.74/x
  3. Step 3: Cross multiply
    10,618.24x = 15,927.27 × 2,720.74
  4. Step 4: Simplify right side
    10,618.24x = 43,333,960.58
  5. Step 5: Solve for x
    x = 43,333,960.58/10,618.24
  6. Step 6: Final answer
    x = 4,081.09

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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.