Home / 14,962.56-20,647.38-8,247.81

Finding the Fourth Proportional to 14,962.56, 20,647.38 and 8,247.81

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Solution

The fourth proportional to 14,962.56, 20,647.38 and 8,247.81 is: 11,381.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.56 : 20,647.38 = 8,247.81 : x
  2. Step 2: Convert to fraction form
    14,962.56/20,647.38 = 8,247.81/x
  3. Step 3: Cross multiply
    14,962.56x = 20,647.38 × 8,247.81
  4. Step 4: Simplify right side
    14,962.56x = 170,295,667.24
  5. Step 5: Solve for x
    x = 170,295,667.24/14,962.56
  6. Step 6: Final answer
    x = 11,381.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.