Home / 12,549.50-18,824.64-4,653.98

Finding the Fourth Proportional to 12,549.50, 18,824.64 and 4,653.98

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Solution

The fourth proportional to 12,549.50, 18,824.64 and 4,653.98 is: 6,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.50 : 18,824.64 = 4,653.98 : x
  2. Step 2: Convert to fraction form
    12,549.50/18,824.64 = 4,653.98/x
  3. Step 3: Cross multiply
    12,549.50x = 18,824.64 × 4,653.98
  4. Step 4: Simplify right side
    12,549.50x = 87,609,498.07
  5. Step 5: Solve for x
    x = 87,609,498.07/12,549.50
  6. Step 6: Final answer
    x = 6,981.11

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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.