Home / 10,818.29-14,929.51-6,102.88

Finding the Fourth Proportional to 10,818.29, 14,929.51 and 6,102.88

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Solution

The fourth proportional to 10,818.29, 14,929.51 and 6,102.88 is: 8,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.29 : 14,929.51 = 6,102.88 : x
  2. Step 2: Convert to fraction form
    10,818.29/14,929.51 = 6,102.88/x
  3. Step 3: Cross multiply
    10,818.29x = 14,929.51 × 6,102.88
  4. Step 4: Simplify right side
    10,818.29x = 91,113,007.99
  5. Step 5: Solve for x
    x = 91,113,007.99/10,818.29
  6. Step 6: Final answer
    x = 8,422.13

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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.