Home / 11,863.02-16,369.29-6,825.32

Finding the Fourth Proportional to 11,863.02, 16,369.29 and 6,825.32

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Solution

The fourth proportional to 11,863.02, 16,369.29 and 6,825.32 is: 9,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.02 : 16,369.29 = 6,825.32 : x
  2. Step 2: Convert to fraction form
    11,863.02/16,369.29 = 6,825.32/x
  3. Step 3: Cross multiply
    11,863.02x = 16,369.29 × 6,825.32
  4. Step 4: Simplify right side
    11,863.02x = 111,725,642.42
  5. Step 5: Solve for x
    x = 111,725,642.42/11,863.02
  6. Step 6: Final answer
    x = 9,417.98

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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.