Home / 10,622.32-15,908.76-10,253.20

Finding the Fourth Proportional to 10,622.32, 15,908.76 and 10,253.20

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Solution

The fourth proportional to 10,622.32, 15,908.76 and 10,253.20 is: 15,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.32 : 15,908.76 = 10,253.20 : x
  2. Step 2: Convert to fraction form
    10,622.32/15,908.76 = 10,253.20/x
  3. Step 3: Cross multiply
    10,622.32x = 15,908.76 × 10,253.20
  4. Step 4: Simplify right side
    10,622.32x = 163,115,698.03
  5. Step 5: Solve for x
    x = 163,115,698.03/10,622.32
  6. Step 6: Final answer
    x = 15,355.94

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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.