Home / 19,109.55-26,372.84-10,613.31

Finding the Fourth Proportional to 19,109.55, 26,372.84 and 10,613.31

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Solution

The fourth proportional to 19,109.55, 26,372.84 and 10,613.31 is: 14,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.55 : 26,372.84 = 10,613.31 : x
  2. Step 2: Convert to fraction form
    19,109.55/26,372.84 = 10,613.31/x
  3. Step 3: Cross multiply
    19,109.55x = 26,372.84 × 10,613.31
  4. Step 4: Simplify right side
    19,109.55x = 279,903,073.43
  5. Step 5: Solve for x
    x = 279,903,073.43/19,109.55
  6. Step 6: Final answer
    x = 14,647.29

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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.