Home / 11,088.90-15,302.56-6,838.26

Finding the Fourth Proportional to 11,088.90, 15,302.56 and 6,838.26

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Solution

The fourth proportional to 11,088.90, 15,302.56 and 6,838.26 is: 9,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.90 : 15,302.56 = 6,838.26 : x
  2. Step 2: Convert to fraction form
    11,088.90/15,302.56 = 6,838.26/x
  3. Step 3: Cross multiply
    11,088.90x = 15,302.56 × 6,838.26
  4. Step 4: Simplify right side
    11,088.90x = 104,642,883.95
  5. Step 5: Solve for x
    x = 104,642,883.95/11,088.90
  6. Step 6: Final answer
    x = 9,436.72

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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.