Home / 15,297.49-21,100.84-11,054.85

Finding the Fourth Proportional to 15,297.49, 21,100.84 and 11,054.85

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Solution

The fourth proportional to 15,297.49, 21,100.84 and 11,054.85 is: 15,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.49 : 21,100.84 = 11,054.85 : x
  2. Step 2: Convert to fraction form
    15,297.49/21,100.84 = 11,054.85/x
  3. Step 3: Cross multiply
    15,297.49x = 21,100.84 × 11,054.85
  4. Step 4: Simplify right side
    15,297.49x = 233,266,621.07
  5. Step 5: Solve for x
    x = 233,266,621.07/15,297.49
  6. Step 6: Final answer
    x = 15,248.69

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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.