Home / 14,803.60-22,216.20-9,871.60

Finding the Fourth Proportional to 14,803.60, 22,216.20 and 9,871.60

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Solution

The fourth proportional to 14,803.60, 22,216.20 and 9,871.60 is: 14,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.60 : 22,216.20 = 9,871.60 : x
  2. Step 2: Convert to fraction form
    14,803.60/22,216.20 = 9,871.60/x
  3. Step 3: Cross multiply
    14,803.60x = 22,216.20 × 9,871.60
  4. Step 4: Simplify right side
    14,803.60x = 219,309,439.92
  5. Step 5: Solve for x
    x = 219,309,439.92/14,803.60
  6. Step 6: Final answer
    x = 14,814.60

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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.