Home / 14,770.49-22,133.85-12,156.57

Finding the Fourth Proportional to 14,770.49, 22,133.85 and 12,156.57

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Solution

The fourth proportional to 14,770.49, 22,133.85 and 12,156.57 is: 18,216.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.49 : 22,133.85 = 12,156.57 : x
  2. Step 2: Convert to fraction form
    14,770.49/22,133.85 = 12,156.57/x
  3. Step 3: Cross multiply
    14,770.49x = 22,133.85 × 12,156.57
  4. Step 4: Simplify right side
    14,770.49x = 269,071,696.89
  5. Step 5: Solve for x
    x = 269,071,696.89/14,770.49
  6. Step 6: Final answer
    x = 18,216.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.