Home / 13,963.79-19,271.55-7,997.42

Finding the Fourth Proportional to 13,963.79, 19,271.55 and 7,997.42

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Solution

The fourth proportional to 13,963.79, 19,271.55 and 7,997.42 is: 11,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.79 : 19,271.55 = 7,997.42 : x
  2. Step 2: Convert to fraction form
    13,963.79/19,271.55 = 7,997.42/x
  3. Step 3: Cross multiply
    13,963.79x = 19,271.55 × 7,997.42
  4. Step 4: Simplify right side
    13,963.79x = 154,122,543.06
  5. Step 5: Solve for x
    x = 154,122,543.06/13,963.79
  6. Step 6: Final answer
    x = 11,037.30

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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.