Home / 19,885.74-27,442.34-10,933.40

Finding the Fourth Proportional to 19,885.74, 27,442.34 and 10,933.40

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Solution

The fourth proportional to 19,885.74, 27,442.34 and 10,933.40 is: 15,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.74 : 27,442.34 = 10,933.40 : x
  2. Step 2: Convert to fraction form
    19,885.74/27,442.34 = 10,933.40/x
  3. Step 3: Cross multiply
    19,885.74x = 27,442.34 × 10,933.40
  4. Step 4: Simplify right side
    19,885.74x = 300,037,942.94
  5. Step 5: Solve for x
    x = 300,037,942.94/19,885.74
  6. Step 6: Final answer
    x = 15,088.10

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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.