Home / 19,885.08-27,440.33-10,931.14

Finding the Fourth Proportional to 19,885.08, 27,440.33 and 10,931.14

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Solution

The fourth proportional to 19,885.08, 27,440.33 and 10,931.14 is: 15,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.08 : 27,440.33 = 10,931.14 : x
  2. Step 2: Convert to fraction form
    19,885.08/27,440.33 = 10,931.14/x
  3. Step 3: Cross multiply
    19,885.08x = 27,440.33 × 10,931.14
  4. Step 4: Simplify right side
    19,885.08x = 299,954,088.88
  5. Step 5: Solve for x
    x = 299,954,088.88/19,885.08
  6. Step 6: Final answer
    x = 15,084.38

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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.