Home / 12,864.07-17,735.40-9,276.03

Finding the Fourth Proportional to 12,864.07, 17,735.40 and 9,276.03

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Solution

The fourth proportional to 12,864.07, 17,735.40 and 9,276.03 is: 12,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.07 : 17,735.40 = 9,276.03 : x
  2. Step 2: Convert to fraction form
    12,864.07/17,735.40 = 9,276.03/x
  3. Step 3: Cross multiply
    12,864.07x = 17,735.40 × 9,276.03
  4. Step 4: Simplify right side
    12,864.07x = 164,514,102.46
  5. Step 5: Solve for x
    x = 164,514,102.46/12,864.07
  6. Step 6: Final answer
    x = 12,788.65

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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.