Home / 19,619.37-29,447.55-7,151.45

Finding the Fourth Proportional to 19,619.37, 29,447.55 and 7,151.45

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Solution

The fourth proportional to 19,619.37, 29,447.55 and 7,151.45 is: 10,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.37 : 29,447.55 = 7,151.45 : x
  2. Step 2: Convert to fraction form
    19,619.37/29,447.55 = 7,151.45/x
  3. Step 3: Cross multiply
    19,619.37x = 29,447.55 × 7,151.45
  4. Step 4: Simplify right side
    19,619.37x = 210,592,534.21
  5. Step 5: Solve for x
    x = 210,592,534.21/19,619.37
  6. Step 6: Final answer
    x = 10,733.91

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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.