Home / 19,293.50-26,613.12-13,240.98

Finding the Fourth Proportional to 19,293.50, 26,613.12 and 13,240.98

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Solution

The fourth proportional to 19,293.50, 26,613.12 and 13,240.98 is: 18,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.50 : 26,613.12 = 13,240.98 : x
  2. Step 2: Convert to fraction form
    19,293.50/26,613.12 = 13,240.98/x
  3. Step 3: Cross multiply
    19,293.50x = 26,613.12 × 13,240.98
  4. Step 4: Simplify right side
    19,293.50x = 352,383,723.45
  5. Step 5: Solve for x
    x = 352,383,723.45/19,293.50
  6. Step 6: Final answer
    x = 18,264.38

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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.