Home / 14,930.08-20,603.58-8,215.54

Finding the Fourth Proportional to 14,930.08, 20,603.58 and 8,215.54

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Solution

The fourth proportional to 14,930.08, 20,603.58 and 8,215.54 is: 11,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.08 : 20,603.58 = 8,215.54 : x
  2. Step 2: Convert to fraction form
    14,930.08/20,603.58 = 8,215.54/x
  3. Step 3: Cross multiply
    14,930.08x = 20,603.58 × 8,215.54
  4. Step 4: Simplify right side
    14,930.08x = 169,269,484.12
  5. Step 5: Solve for x
    x = 169,269,484.12/14,930.08
  6. Step 6: Final answer
    x = 11,337.48

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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.