Home / 10,640.45-15,967.95-3,714.95

Finding the Fourth Proportional to 10,640.45, 15,967.95 and 3,714.95

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Solution

The fourth proportional to 10,640.45, 15,967.95 and 3,714.95 is: 5,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.45 : 15,967.95 = 3,714.95 : x
  2. Step 2: Convert to fraction form
    10,640.45/15,967.95 = 3,714.95/x
  3. Step 3: Cross multiply
    10,640.45x = 15,967.95 × 3,714.95
  4. Step 4: Simplify right side
    10,640.45x = 59,320,056.01
  5. Step 5: Solve for x
    x = 59,320,056.01/10,640.45
  6. Step 6: Final answer
    x = 5,574.96

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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.