Home / 14,049.53-21,012.32-12,500.40

Finding the Fourth Proportional to 14,049.53, 21,012.32 and 12,500.40

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Solution

The fourth proportional to 14,049.53, 21,012.32 and 12,500.40 is: 18,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.53 : 21,012.32 = 12,500.40 : x
  2. Step 2: Convert to fraction form
    14,049.53/21,012.32 = 12,500.40/x
  3. Step 3: Cross multiply
    14,049.53x = 21,012.32 × 12,500.40
  4. Step 4: Simplify right side
    14,049.53x = 262,662,436.18
  5. Step 5: Solve for x
    x = 262,662,436.18/14,049.53
  6. Step 6: Final answer
    x = 18,695.47

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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.