Home / 13,581.42-18,727.29-9,595.68

Finding the Fourth Proportional to 13,581.42, 18,727.29 and 9,595.68

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Solution

The fourth proportional to 13,581.42, 18,727.29 and 9,595.68 is: 13,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581.42 : 18,727.29 = 9,595.68 : x
  2. Step 2: Convert to fraction form
    13,581.42/18,727.29 = 9,595.68/x
  3. Step 3: Cross multiply
    13,581.42x = 18,727.29 × 9,595.68
  4. Step 4: Simplify right side
    13,581.42x = 179,701,082.11
  5. Step 5: Solve for x
    x = 179,701,082.11/13,581.42
  6. Step 6: Final answer
    x = 13,231.39

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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.