Home / 14,880.81-22,300.50-9,889.05

Finding the Fourth Proportional to 14,880.81, 22,300.50 and 9,889.05

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Solution

The fourth proportional to 14,880.81, 22,300.50 and 9,889.05 is: 14,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.81 : 22,300.50 = 9,889.05 : x
  2. Step 2: Convert to fraction form
    14,880.81/22,300.50 = 9,889.05/x
  3. Step 3: Cross multiply
    14,880.81x = 22,300.50 × 9,889.05
  4. Step 4: Simplify right side
    14,880.81x = 220,530,759.53
  5. Step 5: Solve for x
    x = 220,530,759.53/14,880.81
  6. Step 6: Final answer
    x = 14,819.81

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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.