Home / 12,430.45-17,154.10-6,765.25

Finding the Fourth Proportional to 12,430.45, 17,154.10 and 6,765.25

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Solution

The fourth proportional to 12,430.45, 17,154.10 and 6,765.25 is: 9,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.45 : 17,154.10 = 6,765.25 : x
  2. Step 2: Convert to fraction form
    12,430.45/17,154.10 = 6,765.25/x
  3. Step 3: Cross multiply
    12,430.45x = 17,154.10 × 6,765.25
  4. Step 4: Simplify right side
    12,430.45x = 116,051,775.03
  5. Step 5: Solve for x
    x = 116,051,775.03/12,430.45
  6. Step 6: Final answer
    x = 9,336.09

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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.