Home / 19,933.82-27,507.65-10,981.13

Finding the Fourth Proportional to 19,933.82, 27,507.65 and 10,981.13

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Solution

The fourth proportional to 19,933.82, 27,507.65 and 10,981.13 is: 15,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.82 : 27,507.65 = 10,981.13 : x
  2. Step 2: Convert to fraction form
    19,933.82/27,507.65 = 10,981.13/x
  3. Step 3: Cross multiply
    19,933.82x = 27,507.65 × 10,981.13
  4. Step 4: Simplify right side
    19,933.82x = 302,064,888.20
  5. Step 5: Solve for x
    x = 302,064,888.20/19,933.82
  6. Step 6: Final answer
    x = 15,153.39

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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.