Home / 15,644.02-21,590.56-8,930.62

Finding the Fourth Proportional to 15,644.02, 21,590.56 and 8,930.62

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Solution

The fourth proportional to 15,644.02, 21,590.56 and 8,930.62 is: 12,325.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.02 : 21,590.56 = 8,930.62 : x
  2. Step 2: Convert to fraction form
    15,644.02/21,590.56 = 8,930.62/x
  3. Step 3: Cross multiply
    15,644.02x = 21,590.56 × 8,930.62
  4. Step 4: Simplify right side
    15,644.02x = 192,817,086.95
  5. Step 5: Solve for x
    x = 192,817,086.95/15,644.02
  6. Step 6: Final answer
    x = 12,325.29

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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.