Home / 12,561.43-18,837.16-5,983.01

Finding the Fourth Proportional to 12,561.43, 18,837.16 and 5,983.01

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Solution

The fourth proportional to 12,561.43, 18,837.16 and 5,983.01 is: 8,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.43 : 18,837.16 = 5,983.01 : x
  2. Step 2: Convert to fraction form
    12,561.43/18,837.16 = 5,983.01/x
  3. Step 3: Cross multiply
    12,561.43x = 18,837.16 × 5,983.01
  4. Step 4: Simplify right side
    12,561.43x = 112,702,984.11
  5. Step 5: Solve for x
    x = 112,702,984.11/12,561.43
  6. Step 6: Final answer
    x = 8,972.15

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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.