Home / 10,623.70-15,935.46-4,387.06

Finding the Fourth Proportional to 10,623.70, 15,935.46 and 4,387.06

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Solution

The fourth proportional to 10,623.70, 15,935.46 and 4,387.06 is: 6,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.70 : 15,935.46 = 4,387.06 : x
  2. Step 2: Convert to fraction form
    10,623.70/15,935.46 = 4,387.06/x
  3. Step 3: Cross multiply
    10,623.70x = 15,935.46 × 4,387.06
  4. Step 4: Simplify right side
    10,623.70x = 69,909,819.15
  5. Step 5: Solve for x
    x = 69,909,819.15/10,623.70
  6. Step 6: Final answer
    x = 6,580.55

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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.