Home / 13,501.93-18,620.55-8,466.70

Finding the Fourth Proportional to 13,501.93, 18,620.55 and 8,466.70

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Solution

The fourth proportional to 13,501.93, 18,620.55 and 8,466.70 is: 11,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.93 : 18,620.55 = 8,466.70 : x
  2. Step 2: Convert to fraction form
    13,501.93/18,620.55 = 8,466.70/x
  3. Step 3: Cross multiply
    13,501.93x = 18,620.55 × 8,466.70
  4. Step 4: Simplify right side
    13,501.93x = 157,654,610.69
  5. Step 5: Solve for x
    x = 157,654,610.69/13,501.93
  6. Step 6: Final answer
    x = 11,676.45

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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.