Home / 14,331.81-19,777.90-8,044.19

Finding the Fourth Proportional to 14,331.81, 19,777.90 and 8,044.19

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Solution

The fourth proportional to 14,331.81, 19,777.90 and 8,044.19 is: 11,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.81 : 19,777.90 = 8,044.19 : x
  2. Step 2: Convert to fraction form
    14,331.81/19,777.90 = 8,044.19/x
  3. Step 3: Cross multiply
    14,331.81x = 19,777.90 × 8,044.19
  4. Step 4: Simplify right side
    14,331.81x = 159,097,185.40
  5. Step 5: Solve for x
    x = 159,097,185.40/14,331.81
  6. Step 6: Final answer
    x = 11,100.98

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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.