Home / 11,386.43-15,714.08-6,350.99

Finding the Fourth Proportional to 11,386.43, 15,714.08 and 6,350.99

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Solution

The fourth proportional to 11,386.43, 15,714.08 and 6,350.99 is: 8,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.43 : 15,714.08 = 6,350.99 : x
  2. Step 2: Convert to fraction form
    11,386.43/15,714.08 = 6,350.99/x
  3. Step 3: Cross multiply
    11,386.43x = 15,714.08 × 6,350.99
  4. Step 4: Simplify right side
    11,386.43x = 99,799,964.94
  5. Step 5: Solve for x
    x = 99,799,964.94/11,386.43
  6. Step 6: Final answer
    x = 8,764.82

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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.