Home / 10,014.56-15,001.31-5,622.80

Finding the Fourth Proportional to 10,014.56, 15,001.31 and 5,622.80

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Solution

The fourth proportional to 10,014.56, 15,001.31 and 5,622.80 is: 8,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.56 : 15,001.31 = 5,622.80 : x
  2. Step 2: Convert to fraction form
    10,014.56/15,001.31 = 5,622.80/x
  3. Step 3: Cross multiply
    10,014.56x = 15,001.31 × 5,622.80
  4. Step 4: Simplify right side
    10,014.56x = 84,349,262.75
  5. Step 5: Solve for x
    x = 84,349,262.75/10,014.56
  6. Step 6: Final answer
    x = 8,422.67

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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.