Home / 13,998.16-21,000.85-5,233.14

Finding the Fourth Proportional to 13,998.16, 21,000.85 and 5,233.14

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Solution

The fourth proportional to 13,998.16, 21,000.85 and 5,233.14 is: 7,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.16 : 21,000.85 = 5,233.14 : x
  2. Step 2: Convert to fraction form
    13,998.16/21,000.85 = 5,233.14/x
  3. Step 3: Cross multiply
    13,998.16x = 21,000.85 × 5,233.14
  4. Step 4: Simplify right side
    13,998.16x = 109,900,388.17
  5. Step 5: Solve for x
    x = 109,900,388.17/13,998.16
  6. Step 6: Final answer
    x = 7,851.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.