Home / 10,789.20-14,889.96-6,073.20

Finding the Fourth Proportional to 10,789.20, 14,889.96 and 6,073.20

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Solution

The fourth proportional to 10,789.20, 14,889.96 and 6,073.20 is: 8,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.20 : 14,889.96 = 6,073.20 : x
  2. Step 2: Convert to fraction form
    10,789.20/14,889.96 = 6,073.20/x
  3. Step 3: Cross multiply
    10,789.20x = 14,889.96 × 6,073.20
  4. Step 4: Simplify right side
    10,789.20x = 90,429,705.07
  5. Step 5: Solve for x
    x = 90,429,705.07/10,789.20
  6. Step 6: Final answer
    x = 8,381.50

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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.