Home / 10,213.77-15,289.06-8,719.32

Finding the Fourth Proportional to 10,213.77, 15,289.06 and 8,719.32

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Solution

The fourth proportional to 10,213.77, 15,289.06 and 8,719.32 is: 13,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.77 : 15,289.06 = 8,719.32 : x
  2. Step 2: Convert to fraction form
    10,213.77/15,289.06 = 8,719.32/x
  3. Step 3: Cross multiply
    10,213.77x = 15,289.06 × 8,719.32
  4. Step 4: Simplify right side
    10,213.77x = 133,310,206.64
  5. Step 5: Solve for x
    x = 133,310,206.64/10,213.77
  6. Step 6: Final answer
    x = 13,052.01

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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.