Home / 19,788.69-29,686.28-9,396.93

Finding the Fourth Proportional to 19,788.69, 29,686.28 and 9,396.93

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Solution

The fourth proportional to 19,788.69, 29,686.28 and 9,396.93 is: 14,096.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.69 : 29,686.28 = 9,396.93 : x
  2. Step 2: Convert to fraction form
    19,788.69/29,686.28 = 9,396.93/x
  3. Step 3: Cross multiply
    19,788.69x = 29,686.28 × 9,396.93
  4. Step 4: Simplify right side
    19,788.69x = 278,959,895.12
  5. Step 5: Solve for x
    x = 278,959,895.12/19,788.69
  6. Step 6: Final answer
    x = 14,096.94

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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.