Home / 19,935.81-29,907-7,460.19

Finding the Fourth Proportional to 19,935.81, 29,907 and 7,460.19

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Solution

The fourth proportional to 19,935.81, 29,907 and 7,460.19 is: 11,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.81 : 29,907 = 7,460.19 : x
  2. Step 2: Convert to fraction form
    19,935.81/29,907 = 7,460.19/x
  3. Step 3: Cross multiply
    19,935.81x = 29,907 × 7,460.19
  4. Step 4: Simplify right side
    19,935.81x = 223,111,902.33
  5. Step 5: Solve for x
    x = 223,111,902.33/19,935.81
  6. Step 6: Final answer
    x = 11,191.51

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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.