Home / 11,056.80-15,254.64-6,803.49

Finding the Fourth Proportional to 11,056.80, 15,254.64 and 6,803.49

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Solution

The fourth proportional to 11,056.80, 15,254.64 and 6,803.49 is: 9,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,056.80 : 15,254.64 = 6,803.49 : x
  2. Step 2: Convert to fraction form
    11,056.80/15,254.64 = 6,803.49/x
  3. Step 3: Cross multiply
    11,056.80x = 15,254.64 × 6,803.49
  4. Step 4: Simplify right side
    11,056.80x = 103,784,790.69
  5. Step 5: Solve for x
    x = 103,784,790.69/11,056.80
  6. Step 6: Final answer
    x = 9,386.51

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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.