Home / 10,188.99-14,040.08-7,351.36

Finding the Fourth Proportional to 10,188.99, 14,040.08 and 7,351.36

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Solution

The fourth proportional to 10,188.99, 14,040.08 and 7,351.36 is: 10,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.99 : 14,040.08 = 7,351.36 : x
  2. Step 2: Convert to fraction form
    10,188.99/14,040.08 = 7,351.36/x
  3. Step 3: Cross multiply
    10,188.99x = 14,040.08 × 7,351.36
  4. Step 4: Simplify right side
    10,188.99x = 103,213,679.57
  5. Step 5: Solve for x
    x = 103,213,679.57/10,188.99
  6. Step 6: Final answer
    x = 10,129.92

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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.