Home / 19,688.20-29,533.20-8,000.50

Finding the Fourth Proportional to 19,688.20, 29,533.20 and 8,000.50

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Solution

The fourth proportional to 19,688.20, 29,533.20 and 8,000.50 is: 12,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.20 : 29,533.20 = 8,000.50 : x
  2. Step 2: Convert to fraction form
    19,688.20/29,533.20 = 8,000.50/x
  3. Step 3: Cross multiply
    19,688.20x = 29,533.20 × 8,000.50
  4. Step 4: Simplify right side
    19,688.20x = 236,280,366.60
  5. Step 5: Solve for x
    x = 236,280,366.60/19,688.20
  6. Step 6: Final answer
    x = 12,001.12

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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.