Home / 19,885.66-27,442.85-10,933.81

Finding the Fourth Proportional to 19,885.66, 27,442.85 and 10,933.81

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Solution

The fourth proportional to 19,885.66, 27,442.85 and 10,933.81 is: 15,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.66 : 27,442.85 = 10,933.81 : x
  2. Step 2: Convert to fraction form
    19,885.66/27,442.85 = 10,933.81/x
  3. Step 3: Cross multiply
    19,885.66x = 27,442.85 × 10,933.81
  4. Step 4: Simplify right side
    19,885.66x = 300,054,907.76
  5. Step 5: Solve for x
    x = 300,054,907.76/19,885.66
  6. Step 6: Final answer
    x = 15,089.01

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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.