Home / 19,645.28-29,465.02-7,162.37

Finding the Fourth Proportional to 19,645.28, 29,465.02 and 7,162.37

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Solution

The fourth proportional to 19,645.28, 29,465.02 and 7,162.37 is: 10,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,645.28 : 29,465.02 = 7,162.37 : x
  2. Step 2: Convert to fraction form
    19,645.28/29,465.02 = 7,162.37/x
  3. Step 3: Cross multiply
    19,645.28x = 29,465.02 × 7,162.37
  4. Step 4: Simplify right side
    19,645.28x = 211,039,472.87
  5. Step 5: Solve for x
    x = 211,039,472.87/19,645.28
  6. Step 6: Final answer
    x = 10,742.50

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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.