Home / 14,022.56-19,351.24-7,649.08

Finding the Fourth Proportional to 14,022.56, 19,351.24 and 7,649.08

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Solution

The fourth proportional to 14,022.56, 19,351.24 and 7,649.08 is: 10,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.56 : 19,351.24 = 7,649.08 : x
  2. Step 2: Convert to fraction form
    14,022.56/19,351.24 = 7,649.08/x
  3. Step 3: Cross multiply
    14,022.56x = 19,351.24 × 7,649.08
  4. Step 4: Simplify right side
    14,022.56x = 148,019,182.86
  5. Step 5: Solve for x
    x = 148,019,182.86/14,022.56
  6. Step 6: Final answer
    x = 10,555.79

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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.