Home / 10,319.88-14,237.96-6,288.11

Finding the Fourth Proportional to 10,319.88, 14,237.96 and 6,288.11

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Solution

The fourth proportional to 10,319.88, 14,237.96 and 6,288.11 is: 8,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.88 : 14,237.96 = 6,288.11 : x
  2. Step 2: Convert to fraction form
    10,319.88/14,237.96 = 6,288.11/x
  3. Step 3: Cross multiply
    10,319.88x = 14,237.96 × 6,288.11
  4. Step 4: Simplify right side
    10,319.88x = 89,529,844.79
  5. Step 5: Solve for x
    x = 89,529,844.79/10,319.88
  6. Step 6: Final answer
    x = 8,675.47

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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.