Home / 10,200.05-15,270.37-7,579.18

Finding the Fourth Proportional to 10,200.05, 15,270.37 and 7,579.18

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Solution

The fourth proportional to 10,200.05, 15,270.37 and 7,579.18 is: 11,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.05 : 15,270.37 = 7,579.18 : x
  2. Step 2: Convert to fraction form
    10,200.05/15,270.37 = 7,579.18/x
  3. Step 3: Cross multiply
    10,200.05x = 15,270.37 × 7,579.18
  4. Step 4: Simplify right side
    10,200.05x = 115,736,925.67
  5. Step 5: Solve for x
    x = 115,736,925.67/10,200.05
  6. Step 6: Final answer
    x = 11,346.70

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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.