Home / 12,109.02-16,710.36-6,803.84

Finding the Fourth Proportional to 12,109.02, 16,710.36 and 6,803.84

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Solution

The fourth proportional to 12,109.02, 16,710.36 and 6,803.84 is: 9,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109.02 : 16,710.36 = 6,803.84 : x
  2. Step 2: Convert to fraction form
    12,109.02/16,710.36 = 6,803.84/x
  3. Step 3: Cross multiply
    12,109.02x = 16,710.36 × 6,803.84
  4. Step 4: Simplify right side
    12,109.02x = 113,694,615.78
  5. Step 5: Solve for x
    x = 113,694,615.78/12,109.02
  6. Step 6: Final answer
    x = 9,389.25

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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.