Home / 12,530.83-17,291.81-6,864.45

Finding the Fourth Proportional to 12,530.83, 17,291.81 and 6,864.45

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Solution

The fourth proportional to 12,530.83, 17,291.81 and 6,864.45 is: 9,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.83 : 17,291.81 = 6,864.45 : x
  2. Step 2: Convert to fraction form
    12,530.83/17,291.81 = 6,864.45/x
  3. Step 3: Cross multiply
    12,530.83x = 17,291.81 × 6,864.45
  4. Step 4: Simplify right side
    12,530.83x = 118,698,687.60
  5. Step 5: Solve for x
    x = 118,698,687.60/12,530.83
  6. Step 6: Final answer
    x = 9,472.54

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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.