Home / 10,208.58-15,312.69-5,816.67

Finding the Fourth Proportional to 10,208.58, 15,312.69 and 5,816.67

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Solution

The fourth proportional to 10,208.58, 15,312.69 and 5,816.67 is: 8,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.58 : 15,312.69 = 5,816.67 : x
  2. Step 2: Convert to fraction form
    10,208.58/15,312.69 = 5,816.67/x
  3. Step 3: Cross multiply
    10,208.58x = 15,312.69 × 5,816.67
  4. Step 4: Simplify right side
    10,208.58x = 89,068,864.54
  5. Step 5: Solve for x
    x = 89,068,864.54/10,208.58
  6. Step 6: Final answer
    x = 8,724.90

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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.