Home / 12,430.52-17,153.87-6,765.18

Finding the Fourth Proportional to 12,430.52, 17,153.87 and 6,765.18

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Solution

The fourth proportional to 12,430.52, 17,153.87 and 6,765.18 is: 9,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.52 : 17,153.87 = 6,765.18 : x
  2. Step 2: Convert to fraction form
    12,430.52/17,153.87 = 6,765.18/x
  3. Step 3: Cross multiply
    12,430.52x = 17,153.87 × 6,765.18
  4. Step 4: Simplify right side
    12,430.52x = 116,048,984.42
  5. Step 5: Solve for x
    x = 116,048,984.42/12,430.52
  6. Step 6: Final answer
    x = 9,335.81

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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.