Home / 19,424.75-26,802.13-11,356.85

Finding the Fourth Proportional to 19,424.75, 26,802.13 and 11,356.85

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Solution

The fourth proportional to 19,424.75, 26,802.13 and 11,356.85 is: 15,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.75 : 26,802.13 = 11,356.85 : x
  2. Step 2: Convert to fraction form
    19,424.75/26,802.13 = 11,356.85/x
  3. Step 3: Cross multiply
    19,424.75x = 26,802.13 × 11,356.85
  4. Step 4: Simplify right side
    19,424.75x = 304,387,770.09
  5. Step 5: Solve for x
    x = 304,387,770.09/19,424.75
  6. Step 6: Final answer
    x = 15,670.10

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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.