Home / 19,820.27-29,740.14-7,973.57

Finding the Fourth Proportional to 19,820.27, 29,740.14 and 7,973.57

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Solution

The fourth proportional to 19,820.27, 29,740.14 and 7,973.57 is: 11,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.27 : 29,740.14 = 7,973.57 : x
  2. Step 2: Convert to fraction form
    19,820.27/29,740.14 = 7,973.57/x
  3. Step 3: Cross multiply
    19,820.27x = 29,740.14 × 7,973.57
  4. Step 4: Simplify right side
    19,820.27x = 237,135,088.10
  5. Step 5: Solve for x
    x = 237,135,088.10/19,820.27
  6. Step 6: Final answer
    x = 11,964.27

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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.