Home / 11,156.00-15,395.28-6,120.24

Finding the Fourth Proportional to 11,156.00, 15,395.28 and 6,120.24

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Solution

The fourth proportional to 11,156.00, 15,395.28 and 6,120.24 is: 8,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.00 : 15,395.28 = 6,120.24 : x
  2. Step 2: Convert to fraction form
    11,156.00/15,395.28 = 6,120.24/x
  3. Step 3: Cross multiply
    11,156.00x = 15,395.28 × 6,120.24
  4. Step 4: Simplify right side
    11,156.00x = 94,222,808.47
  5. Step 5: Solve for x
    x = 94,222,808.47/11,156.00
  6. Step 6: Final answer
    x = 8,445.93

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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.