Home / 19,801.62-29,702.55-4,808.70

Finding the Fourth Proportional to 19,801.62, 29,702.55 and 4,808.70

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Solution

The fourth proportional to 19,801.62, 29,702.55 and 4,808.70 is: 7,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,801.62 : 29,702.55 = 4,808.70 : x
  2. Step 2: Convert to fraction form
    19,801.62/29,702.55 = 4,808.70/x
  3. Step 3: Cross multiply
    19,801.62x = 29,702.55 × 4,808.70
  4. Step 4: Simplify right side
    19,801.62x = 142,830,652.19
  5. Step 5: Solve for x
    x = 142,830,652.19/19,801.62
  6. Step 6: Final answer
    x = 7,213.08

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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.