Home / 10,221.36-14,103.12-7,392.96

Finding the Fourth Proportional to 10,221.36, 14,103.12 and 7,392.96

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Solution

The fourth proportional to 10,221.36, 14,103.12 and 7,392.96 is: 10,200.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.36 : 14,103.12 = 7,392.96 : x
  2. Step 2: Convert to fraction form
    10,221.36/14,103.12 = 7,392.96/x
  3. Step 3: Cross multiply
    10,221.36x = 14,103.12 × 7,392.96
  4. Step 4: Simplify right side
    10,221.36x = 104,263,802.04
  5. Step 5: Solve for x
    x = 104,263,802.04/10,221.36
  6. Step 6: Final answer
    x = 10,200.58

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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.