Home / 11,701.02-16,147.44-6,985.20

Finding the Fourth Proportional to 11,701.02, 16,147.44 and 6,985.20

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Solution

The fourth proportional to 11,701.02, 16,147.44 and 6,985.20 is: 9,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.02 : 16,147.44 = 6,985.20 : x
  2. Step 2: Convert to fraction form
    11,701.02/16,147.44 = 6,985.20/x
  3. Step 3: Cross multiply
    11,701.02x = 16,147.44 × 6,985.20
  4. Step 4: Simplify right side
    11,701.02x = 112,793,097.89
  5. Step 5: Solve for x
    x = 112,793,097.89/11,701.02
  6. Step 6: Final answer
    x = 9,639.60

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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.