Home / 12,289.22-16,959.17-6,984.02

Finding the Fourth Proportional to 12,289.22, 16,959.17 and 6,984.02

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Solution

The fourth proportional to 12,289.22, 16,959.17 and 6,984.02 is: 9,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289.22 : 16,959.17 = 6,984.02 : x
  2. Step 2: Convert to fraction form
    12,289.22/16,959.17 = 6,984.02/x
  3. Step 3: Cross multiply
    12,289.22x = 16,959.17 × 6,984.02
  4. Step 4: Simplify right side
    12,289.22x = 118,443,242.32
  5. Step 5: Solve for x
    x = 118,443,242.32/12,289.22
  6. Step 6: Final answer
    x = 9,637.98

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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.