Home / 21,613.35-32,412.23-9,134.34

Finding the Fourth Proportional to 21,613.35, 32,412.23 and 9,134.34

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Solution

The fourth proportional to 21,613.35, 32,412.23 and 9,134.34 is: 13,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613.35 : 32,412.23 = 9,134.34 : x
  2. Step 2: Convert to fraction form
    21,613.35/32,412.23 = 9,134.34/x
  3. Step 3: Cross multiply
    21,613.35x = 32,412.23 × 9,134.34
  4. Step 4: Simplify right side
    21,613.35x = 296,064,473.36
  5. Step 5: Solve for x
    x = 296,064,473.36/21,613.35
  6. Step 6: Final answer
    x = 13,698.22

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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.