Home / 10,735.20-14,810.40-8,214.66

Finding the Fourth Proportional to 10,735.20, 14,810.40 and 8,214.66

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Solution

The fourth proportional to 10,735.20, 14,810.40 and 8,214.66 is: 11,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,735.20 : 14,810.40 = 8,214.66 : x
  2. Step 2: Convert to fraction form
    10,735.20/14,810.40 = 8,214.66/x
  3. Step 3: Cross multiply
    10,735.20x = 14,810.40 × 8,214.66
  4. Step 4: Simplify right side
    10,735.20x = 121,662,400.46
  5. Step 5: Solve for x
    x = 121,662,400.46/10,735.20
  6. Step 6: Final answer
    x = 11,333.04

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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.