Home / 15,885.48-21,924.59-8,814.18

Finding the Fourth Proportional to 15,885.48, 21,924.59 and 8,814.18

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Solution

The fourth proportional to 15,885.48, 21,924.59 and 8,814.18 is: 12,165.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.48 : 21,924.59 = 8,814.18 : x
  2. Step 2: Convert to fraction form
    15,885.48/21,924.59 = 8,814.18/x
  3. Step 3: Cross multiply
    15,885.48x = 21,924.59 × 8,814.18
  4. Step 4: Simplify right side
    15,885.48x = 193,247,282.69
  5. Step 5: Solve for x
    x = 193,247,282.69/15,885.48
  6. Step 6: Final answer
    x = 12,165.03

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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.