Home / 19,814.63-27,343.31-10,861.83

Finding the Fourth Proportional to 19,814.63, 27,343.31 and 10,861.83

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Solution

The fourth proportional to 19,814.63, 27,343.31 and 10,861.83 is: 14,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.63 : 27,343.31 = 10,861.83 : x
  2. Step 2: Convert to fraction form
    19,814.63/27,343.31 = 10,861.83/x
  3. Step 3: Cross multiply
    19,814.63x = 27,343.31 × 10,861.83
  4. Step 4: Simplify right side
    19,814.63x = 296,998,330.55
  5. Step 5: Solve for x
    x = 296,998,330.55/19,814.63
  6. Step 6: Final answer
    x = 14,988.84

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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.