Home / 10,822.18-14,934.93-6,628.06

Finding the Fourth Proportional to 10,822.18, 14,934.93 and 6,628.06

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Solution

The fourth proportional to 10,822.18, 14,934.93 and 6,628.06 is: 9,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.18 : 14,934.93 = 6,628.06 : x
  2. Step 2: Convert to fraction form
    10,822.18/14,934.93 = 6,628.06/x
  3. Step 3: Cross multiply
    10,822.18x = 14,934.93 × 6,628.06
  4. Step 4: Simplify right side
    10,822.18x = 98,989,612.14
  5. Step 5: Solve for x
    x = 98,989,612.14/10,822.18
  6. Step 6: Final answer
    x = 9,146.92

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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.