Home / 14,871.20-22,311.60-9,946.40

Finding the Fourth Proportional to 14,871.20, 22,311.60 and 9,946.40

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Solution

The fourth proportional to 14,871.20, 22,311.60 and 9,946.40 is: 14,922.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,871.20 : 22,311.60 = 9,946.40 : x
  2. Step 2: Convert to fraction form
    14,871.20/22,311.60 = 9,946.40/x
  3. Step 3: Cross multiply
    14,871.20x = 22,311.60 × 9,946.40
  4. Step 4: Simplify right side
    14,871.20x = 221,920,098.24
  5. Step 5: Solve for x
    x = 221,920,098.24/14,871.20
  6. Step 6: Final answer
    x = 14,922.81

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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.