Home / 15,633.94-21,574.84-8,463.91

Finding the Fourth Proportional to 15,633.94, 21,574.84 and 8,463.91

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Solution

The fourth proportional to 15,633.94, 21,574.84 and 8,463.91 is: 11,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.94 : 21,574.84 = 8,463.91 : x
  2. Step 2: Convert to fraction form
    15,633.94/21,574.84 = 8,463.91/x
  3. Step 3: Cross multiply
    15,633.94x = 21,574.84 × 8,463.91
  4. Step 4: Simplify right side
    15,633.94x = 182,607,566.47
  5. Step 5: Solve for x
    x = 182,607,566.47/15,633.94
  6. Step 6: Final answer
    x = 11,680.20

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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.