Home / 19,308.05-26,638.92-10,808.93

Finding the Fourth Proportional to 19,308.05, 26,638.92 and 10,808.93

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Solution

The fourth proportional to 19,308.05, 26,638.92 and 10,808.93 is: 14,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.05 : 26,638.92 = 10,808.93 : x
  2. Step 2: Convert to fraction form
    19,308.05/26,638.92 = 10,808.93/x
  3. Step 3: Cross multiply
    19,308.05x = 26,638.92 × 10,808.93
  4. Step 4: Simplify right side
    19,308.05x = 287,938,088.36
  5. Step 5: Solve for x
    x = 287,938,088.36/19,308.05
  6. Step 6: Final answer
    x = 14,912.85

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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.