Home / 13,250.79-19,840.68-6,997.86

Finding the Fourth Proportional to 13,250.79, 19,840.68 and 6,997.86

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Solution

The fourth proportional to 13,250.79, 19,840.68 and 6,997.86 is: 10,478.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.79 : 19,840.68 = 6,997.86 : x
  2. Step 2: Convert to fraction form
    13,250.79/19,840.68 = 6,997.86/x
  3. Step 3: Cross multiply
    13,250.79x = 19,840.68 × 6,997.86
  4. Step 4: Simplify right side
    13,250.79x = 138,842,300.94
  5. Step 5: Solve for x
    x = 138,842,300.94/13,250.79
  6. Step 6: Final answer
    x = 10,478.04

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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.