Home / 10,814.04-14,913.36-6,828.21

Finding the Fourth Proportional to 10,814.04, 14,913.36 and 6,828.21

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Solution

The fourth proportional to 10,814.04, 14,913.36 and 6,828.21 is: 9,416.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,814.04 : 14,913.36 = 6,828.21 : x
  2. Step 2: Convert to fraction form
    10,814.04/14,913.36 = 6,828.21/x
  3. Step 3: Cross multiply
    10,814.04x = 14,913.36 × 6,828.21
  4. Step 4: Simplify right side
    10,814.04x = 101,831,553.89
  5. Step 5: Solve for x
    x = 101,831,553.89/10,814.04
  6. Step 6: Final answer
    x = 9,416.61

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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.