Home / 19,717.15-29,561.14-9,316.75

Finding the Fourth Proportional to 19,717.15, 29,561.14 and 9,316.75

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Solution

The fourth proportional to 19,717.15, 29,561.14 and 9,316.75 is: 13,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.15 : 29,561.14 = 9,316.75 : x
  2. Step 2: Convert to fraction form
    19,717.15/29,561.14 = 9,316.75/x
  3. Step 3: Cross multiply
    19,717.15x = 29,561.14 × 9,316.75
  4. Step 4: Simplify right side
    19,717.15x = 275,413,751.10
  5. Step 5: Solve for x
    x = 275,413,751.10/19,717.15
  6. Step 6: Final answer
    x = 13,968.23

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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.