Home / 14,249.04-19,663.58-7,876.06

Finding the Fourth Proportional to 14,249.04, 19,663.58 and 7,876.06

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Solution

The fourth proportional to 14,249.04, 19,663.58 and 7,876.06 is: 10,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.04 : 19,663.58 = 7,876.06 : x
  2. Step 2: Convert to fraction form
    14,249.04/19,663.58 = 7,876.06/x
  3. Step 3: Cross multiply
    14,249.04x = 19,663.58 × 7,876.06
  4. Step 4: Simplify right side
    14,249.04x = 154,871,535.89
  5. Step 5: Solve for x
    x = 154,871,535.89/14,249.04
  6. Step 6: Final answer
    x = 10,868.91

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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.