Home / 17,530.96-26,301.88-10,518.80

Finding the Fourth Proportional to 17,530.96, 26,301.88 and 10,518.80

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Solution

The fourth proportional to 17,530.96, 26,301.88 and 10,518.80 is: 15,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,530.96 : 26,301.88 = 10,518.80 : x
  2. Step 2: Convert to fraction form
    17,530.96/26,301.88 = 10,518.80/x
  3. Step 3: Cross multiply
    17,530.96x = 26,301.88 × 10,518.80
  4. Step 4: Simplify right side
    17,530.96x = 276,664,215.34
  5. Step 5: Solve for x
    x = 276,664,215.34/17,530.96
  6. Step 6: Final answer
    x = 15,781.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.