Home / 13,703.93-18,911.52-8,042.03

Finding the Fourth Proportional to 13,703.93, 18,911.52 and 8,042.03

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Solution

The fourth proportional to 13,703.93, 18,911.52 and 8,042.03 is: 11,098.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.93 : 18,911.52 = 8,042.03 : x
  2. Step 2: Convert to fraction form
    13,703.93/18,911.52 = 8,042.03/x
  3. Step 3: Cross multiply
    13,703.93x = 18,911.52 × 8,042.03
  4. Step 4: Simplify right side
    13,703.93x = 152,087,058.46
  5. Step 5: Solve for x
    x = 152,087,058.46/13,703.93
  6. Step 6: Final answer
    x = 11,098.06

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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.