Home / 21,460.29-32,184.28-7,416.64

Finding the Fourth Proportional to 21,460.29, 32,184.28 and 7,416.64

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Solution

The fourth proportional to 21,460.29, 32,184.28 and 7,416.64 is: 11,122.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.29 : 32,184.28 = 7,416.64 : x
  2. Step 2: Convert to fraction form
    21,460.29/32,184.28 = 7,416.64/x
  3. Step 3: Cross multiply
    21,460.29x = 32,184.28 × 7,416.64
  4. Step 4: Simplify right side
    21,460.29x = 238,699,218.42
  5. Step 5: Solve for x
    x = 238,699,218.42/21,460.29
  6. Step 6: Final answer
    x = 11,122.83

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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.