Home / 11,106.02-15,326.03-6,392.90

Finding the Fourth Proportional to 11,106.02, 15,326.03 and 6,392.90

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Solution

The fourth proportional to 11,106.02, 15,326.03 and 6,392.90 is: 8,822.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.02 : 15,326.03 = 6,392.90 : x
  2. Step 2: Convert to fraction form
    11,106.02/15,326.03 = 6,392.90/x
  3. Step 3: Cross multiply
    11,106.02x = 15,326.03 × 6,392.90
  4. Step 4: Simplify right side
    11,106.02x = 97,977,777.19
  5. Step 5: Solve for x
    x = 97,977,777.19/11,106.02
  6. Step 6: Final answer
    x = 8,822.04

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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.