Home / 10,009.30-15,009.04-5,850.36

Finding the Fourth Proportional to 10,009.30, 15,009.04 and 5,850.36

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Solution

The fourth proportional to 10,009.30, 15,009.04 and 5,850.36 is: 8,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.30 : 15,009.04 = 5,850.36 : x
  2. Step 2: Convert to fraction form
    10,009.30/15,009.04 = 5,850.36/x
  3. Step 3: Cross multiply
    10,009.30x = 15,009.04 × 5,850.36
  4. Step 4: Simplify right side
    10,009.30x = 87,808,287.25
  5. Step 5: Solve for x
    x = 87,808,287.25/10,009.30
  6. Step 6: Final answer
    x = 8,772.67

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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.