Home / 11,288.91-15,578.82-6,253.21

Finding the Fourth Proportional to 11,288.91, 15,578.82 and 6,253.21

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Solution

The fourth proportional to 11,288.91, 15,578.82 and 6,253.21 is: 8,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.91 : 15,578.82 = 6,253.21 : x
  2. Step 2: Convert to fraction form
    11,288.91/15,578.82 = 6,253.21/x
  3. Step 3: Cross multiply
    11,288.91x = 15,578.82 × 6,253.21
  4. Step 4: Simplify right side
    11,288.91x = 97,417,547.23
  5. Step 5: Solve for x
    x = 97,417,547.23/11,288.91
  6. Step 6: Final answer
    x = 8,629.49

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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.