Home / 19,779.62-27,294.82-10,825.40

Finding the Fourth Proportional to 19,779.62, 27,294.82 and 10,825.40

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Solution

The fourth proportional to 19,779.62, 27,294.82 and 10,825.40 is: 14,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.62 : 27,294.82 = 10,825.40 : x
  2. Step 2: Convert to fraction form
    19,779.62/27,294.82 = 10,825.40/x
  3. Step 3: Cross multiply
    19,779.62x = 27,294.82 × 10,825.40
  4. Step 4: Simplify right side
    19,779.62x = 295,477,180.89
  5. Step 5: Solve for x
    x = 295,477,180.89/19,779.62
  6. Step 6: Final answer
    x = 14,938.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.