Home / 11,899.02-16,416.92-6,862.58

Finding the Fourth Proportional to 11,899.02, 16,416.92 and 6,862.58

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Solution

The fourth proportional to 11,899.02, 16,416.92 and 6,862.58 is: 9,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,899.02 : 16,416.92 = 6,862.58 : x
  2. Step 2: Convert to fraction form
    11,899.02/16,416.92 = 6,862.58/x
  3. Step 3: Cross multiply
    11,899.02x = 16,416.92 × 6,862.58
  4. Step 4: Simplify right side
    11,899.02x = 112,662,426.85
  5. Step 5: Solve for x
    x = 112,662,426.85/11,899.02
  6. Step 6: Final answer
    x = 9,468.21

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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.