Home / 13,251.87-19,877.76-4,492.98

Finding the Fourth Proportional to 13,251.87, 19,877.76 and 4,492.98

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Solution

The fourth proportional to 13,251.87, 19,877.76 and 4,492.98 is: 6,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.87 : 19,877.76 = 4,492.98 : x
  2. Step 2: Convert to fraction form
    13,251.87/19,877.76 = 4,492.98/x
  3. Step 3: Cross multiply
    13,251.87x = 19,877.76 × 4,492.98
  4. Step 4: Simplify right side
    13,251.87x = 89,310,378.12
  5. Step 5: Solve for x
    x = 89,310,378.12/13,251.87
  6. Step 6: Final answer
    x = 6,739.45

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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.