Home / 19,074.31-28,617.67-9,214.72

Finding the Fourth Proportional to 19,074.31, 28,617.67 and 9,214.72

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Solution

The fourth proportional to 19,074.31, 28,617.67 and 9,214.72 is: 13,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.31 : 28,617.67 = 9,214.72 : x
  2. Step 2: Convert to fraction form
    19,074.31/28,617.67 = 9,214.72/x
  3. Step 3: Cross multiply
    19,074.31x = 28,617.67 × 9,214.72
  4. Step 4: Simplify right side
    19,074.31x = 263,703,816.10
  5. Step 5: Solve for x
    x = 263,703,816.10/19,074.31
  6. Step 6: Final answer
    x = 13,825.08

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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.