Home / 12,263.89-16,924.53-8,685.25

Finding the Fourth Proportional to 12,263.89, 16,924.53 and 8,685.25

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Solution

The fourth proportional to 12,263.89, 16,924.53 and 8,685.25 is: 11,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.89 : 16,924.53 = 8,685.25 : x
  2. Step 2: Convert to fraction form
    12,263.89/16,924.53 = 8,685.25/x
  3. Step 3: Cross multiply
    12,263.89x = 16,924.53 × 8,685.25
  4. Step 4: Simplify right side
    12,263.89x = 146,993,774.18
  5. Step 5: Solve for x
    x = 146,993,774.18/12,263.89
  6. Step 6: Final answer
    x = 11,985.90

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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.