Home / 12,164.95-16,787.66-6,859.76

Finding the Fourth Proportional to 12,164.95, 16,787.66 and 6,859.76

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Solution

The fourth proportional to 12,164.95, 16,787.66 and 6,859.76 is: 9,466.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.95 : 16,787.66 = 6,859.76 : x
  2. Step 2: Convert to fraction form
    12,164.95/16,787.66 = 6,859.76/x
  3. Step 3: Cross multiply
    12,164.95x = 16,787.66 × 6,859.76
  4. Step 4: Simplify right side
    12,164.95x = 115,159,200.32
  5. Step 5: Solve for x
    x = 115,159,200.32/12,164.95
  6. Step 6: Final answer
    x = 9,466.47

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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.