Home / 19,830.48-29,737.99-9,962.88

Finding the Fourth Proportional to 19,830.48, 29,737.99 and 9,962.88

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Solution

The fourth proportional to 19,830.48, 29,737.99 and 9,962.88 is: 14,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.48 : 29,737.99 = 9,962.88 : x
  2. Step 2: Convert to fraction form
    19,830.48/29,737.99 = 9,962.88/x
  3. Step 3: Cross multiply
    19,830.48x = 29,737.99 × 9,962.88
  4. Step 4: Simplify right side
    19,830.48x = 296,276,025.81
  5. Step 5: Solve for x
    x = 296,276,025.81/19,830.48
  6. Step 6: Final answer
    x = 14,940.44

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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.