Home / 10,131.90-13,988.34-6,548.73

Finding the Fourth Proportional to 10,131.90, 13,988.34 and 6,548.73

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Solution

The fourth proportional to 10,131.90, 13,988.34 and 6,548.73 is: 9,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.90 : 13,988.34 = 6,548.73 : x
  2. Step 2: Convert to fraction form
    10,131.90/13,988.34 = 6,548.73/x
  3. Step 3: Cross multiply
    10,131.90x = 13,988.34 × 6,548.73
  4. Step 4: Simplify right side
    10,131.90x = 91,605,861.81
  5. Step 5: Solve for x
    x = 91,605,861.81/10,131.90
  6. Step 6: Final answer
    x = 9,041.33

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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.