Home / 19,980.48-29,957.76-10,752.96

Finding the Fourth Proportional to 19,980.48, 29,957.76 and 10,752.96

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Solution

The fourth proportional to 19,980.48, 29,957.76 and 10,752.96 is: 16,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.48 : 29,957.76 = 10,752.96 : x
  2. Step 2: Convert to fraction form
    19,980.48/29,957.76 = 10,752.96/x
  3. Step 3: Cross multiply
    19,980.48x = 29,957.76 × 10,752.96
  4. Step 4: Simplify right side
    19,980.48x = 322,134,594.97
  5. Step 5: Solve for x
    x = 322,134,594.97/19,980.48
  6. Step 6: Final answer
    x = 16,122.47

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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.