Home / 15,571.08-21,488.06-8,497.56

Finding the Fourth Proportional to 15,571.08, 21,488.06 and 8,497.56

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Solution

The fourth proportional to 15,571.08, 21,488.06 and 8,497.56 is: 11,726.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571.08 : 21,488.06 = 8,497.56 : x
  2. Step 2: Convert to fraction form
    15,571.08/21,488.06 = 8,497.56/x
  3. Step 3: Cross multiply
    15,571.08x = 21,488.06 × 8,497.56
  4. Step 4: Simplify right side
    15,571.08x = 182,596,079.13
  5. Step 5: Solve for x
    x = 182,596,079.13/15,571.08
  6. Step 6: Final answer
    x = 11,726.62

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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.