Home / 19,888.39-29,832.04-4,895.64

Finding the Fourth Proportional to 19,888.39, 29,832.04 and 4,895.64

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Solution

The fourth proportional to 19,888.39, 29,832.04 and 4,895.64 is: 7,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.39 : 29,832.04 = 4,895.64 : x
  2. Step 2: Convert to fraction form
    19,888.39/29,832.04 = 4,895.64/x
  3. Step 3: Cross multiply
    19,888.39x = 29,832.04 × 4,895.64
  4. Step 4: Simplify right side
    19,888.39x = 146,046,928.31
  5. Step 5: Solve for x
    x = 146,046,928.31/19,888.39
  6. Step 6: Final answer
    x = 7,343.33

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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.