Home / 19,997.30-27,599.34-12,345.03

Finding the Fourth Proportional to 19,997.30, 27,599.34 and 12,345.03

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Solution

The fourth proportional to 19,997.30, 27,599.34 and 12,345.03 is: 17,038.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.30 : 27,599.34 = 12,345.03 : x
  2. Step 2: Convert to fraction form
    19,997.30/27,599.34 = 12,345.03/x
  3. Step 3: Cross multiply
    19,997.30x = 27,599.34 × 12,345.03
  4. Step 4: Simplify right side
    19,997.30x = 340,714,680.28
  5. Step 5: Solve for x
    x = 340,714,680.28/19,997.30
  6. Step 6: Final answer
    x = 17,038.03

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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.