Home / 11,276.80-15,562.08-6,562.48

Finding the Fourth Proportional to 11,276.80, 15,562.08 and 6,562.48

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Solution

The fourth proportional to 11,276.80, 15,562.08 and 6,562.48 is: 9,056.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.80 : 15,562.08 = 6,562.48 : x
  2. Step 2: Convert to fraction form
    11,276.80/15,562.08 = 6,562.48/x
  3. Step 3: Cross multiply
    11,276.80x = 15,562.08 × 6,562.48
  4. Step 4: Simplify right side
    11,276.80x = 102,125,838.76
  5. Step 5: Solve for x
    x = 102,125,838.76/11,276.80
  6. Step 6: Final answer
    x = 9,056.28

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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.