Home / 12,508.13-17,261.28-6,842.94

Finding the Fourth Proportional to 12,508.13, 17,261.28 and 6,842.94

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Solution

The fourth proportional to 12,508.13, 17,261.28 and 6,842.94 is: 9,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.13 : 17,261.28 = 6,842.94 : x
  2. Step 2: Convert to fraction form
    12,508.13/17,261.28 = 6,842.94/x
  3. Step 3: Cross multiply
    12,508.13x = 17,261.28 × 6,842.94
  4. Step 4: Simplify right side
    12,508.13x = 118,117,903.36
  5. Step 5: Solve for x
    x = 118,117,903.36/12,508.13
  6. Step 6: Final answer
    x = 9,443.29

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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.