Home / 20,801.29-28,702.46-11,848.97

Finding the Fourth Proportional to 20,801.29, 28,702.46 and 11,848.97

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Solution

The fourth proportional to 20,801.29, 28,702.46 and 11,848.97 is: 16,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801.29 : 28,702.46 = 11,848.97 : x
  2. Step 2: Convert to fraction form
    20,801.29/28,702.46 = 11,848.97/x
  3. Step 3: Cross multiply
    20,801.29x = 28,702.46 × 11,848.97
  4. Step 4: Simplify right side
    20,801.29x = 340,094,384.71
  5. Step 5: Solve for x
    x = 340,094,384.71/20,801.29
  6. Step 6: Final answer
    x = 16,349.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.