Home / 19,497.85-26,918.60-12,795.20

Finding the Fourth Proportional to 19,497.85, 26,918.60 and 12,795.20

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Solution

The fourth proportional to 19,497.85, 26,918.60 and 12,795.20 is: 17,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,497.85 : 26,918.60 = 12,795.20 : x
  2. Step 2: Convert to fraction form
    19,497.85/26,918.60 = 12,795.20/x
  3. Step 3: Cross multiply
    19,497.85x = 26,918.60 × 12,795.20
  4. Step 4: Simplify right side
    19,497.85x = 344,428,773.10
  5. Step 5: Solve for x
    x = 344,428,773.10/19,497.85
  6. Step 6: Final answer
    x = 17,664.96

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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.