Home / 19,216.32-26,519.98-10,721.18

Finding the Fourth Proportional to 19,216.32, 26,519.98 and 10,721.18

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Solution

The fourth proportional to 19,216.32, 26,519.98 and 10,721.18 is: 14,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.32 : 26,519.98 = 10,721.18 : x
  2. Step 2: Convert to fraction form
    19,216.32/26,519.98 = 10,721.18/x
  3. Step 3: Cross multiply
    19,216.32x = 26,519.98 × 10,721.18
  4. Step 4: Simplify right side
    19,216.32x = 284,325,479.18
  5. Step 5: Solve for x
    x = 284,325,479.18/19,216.32
  6. Step 6: Final answer
    x = 14,796.04

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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.