Home / 12,955.13-17,877.27-7,289.18

Finding the Fourth Proportional to 12,955.13, 17,877.27 and 7,289.18

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Solution

The fourth proportional to 12,955.13, 17,877.27 and 7,289.18 is: 10,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.13 : 17,877.27 = 7,289.18 : x
  2. Step 2: Convert to fraction form
    12,955.13/17,877.27 = 7,289.18/x
  3. Step 3: Cross multiply
    12,955.13x = 17,877.27 × 7,289.18
  4. Step 4: Simplify right side
    12,955.13x = 130,310,638.94
  5. Step 5: Solve for x
    x = 130,310,638.94/12,955.13
  6. Step 6: Final answer
    x = 10,058.61

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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.