Home / 13,933.64-19,227.66-7,645.52

Finding the Fourth Proportional to 13,933.64, 19,227.66 and 7,645.52

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Solution

The fourth proportional to 13,933.64, 19,227.66 and 7,645.52 is: 10,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.64 : 19,227.66 = 7,645.52 : x
  2. Step 2: Convert to fraction form
    13,933.64/19,227.66 = 7,645.52/x
  3. Step 3: Cross multiply
    13,933.64x = 19,227.66 × 7,645.52
  4. Step 4: Simplify right side
    13,933.64x = 147,005,459.08
  5. Step 5: Solve for x
    x = 147,005,459.08/13,933.64
  6. Step 6: Final answer
    x = 10,550.40

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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.