Home / 14,072.34-19,419.19-8,102.77

Finding the Fourth Proportional to 14,072.34, 19,419.19 and 8,102.77

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Solution

The fourth proportional to 14,072.34, 19,419.19 and 8,102.77 is: 11,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.34 : 19,419.19 = 8,102.77 : x
  2. Step 2: Convert to fraction form
    14,072.34/19,419.19 = 8,102.77/x
  3. Step 3: Cross multiply
    14,072.34x = 19,419.19 × 8,102.77
  4. Step 4: Simplify right side
    14,072.34x = 157,349,230.16
  5. Step 5: Solve for x
    x = 157,349,230.16/14,072.34
  6. Step 6: Final answer
    x = 11,181.45

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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.