Home / 12,152.19-16,769.25-6,847.77

Finding the Fourth Proportional to 12,152.19, 16,769.25 and 6,847.77

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Solution

The fourth proportional to 12,152.19, 16,769.25 and 6,847.77 is: 9,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.19 : 16,769.25 = 6,847.77 : x
  2. Step 2: Convert to fraction form
    12,152.19/16,769.25 = 6,847.77/x
  3. Step 3: Cross multiply
    12,152.19x = 16,769.25 × 6,847.77
  4. Step 4: Simplify right side
    12,152.19x = 114,831,967.07
  5. Step 5: Solve for x
    x = 114,831,967.07/12,152.19
  6. Step 6: Final answer
    x = 9,449.49

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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.