Home / 19,884.24-27,440.28-10,931.90

Finding the Fourth Proportional to 19,884.24, 27,440.28 and 10,931.90

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Solution

The fourth proportional to 19,884.24, 27,440.28 and 10,931.90 is: 15,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.24 : 27,440.28 = 10,931.90 : x
  2. Step 2: Convert to fraction form
    19,884.24/27,440.28 = 10,931.90/x
  3. Step 3: Cross multiply
    19,884.24x = 27,440.28 × 10,931.90
  4. Step 4: Simplify right side
    19,884.24x = 299,974,259.73
  5. Step 5: Solve for x
    x = 299,974,259.73/19,884.24
  6. Step 6: Final answer
    x = 15,086.03

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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.