Home / 10,886.22-16,344.45-7,212.06

Finding the Fourth Proportional to 10,886.22, 16,344.45 and 7,212.06

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Solution

The fourth proportional to 10,886.22, 16,344.45 and 7,212.06 is: 10,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.22 : 16,344.45 = 7,212.06 : x
  2. Step 2: Convert to fraction form
    10,886.22/16,344.45 = 7,212.06/x
  3. Step 3: Cross multiply
    10,886.22x = 16,344.45 × 7,212.06
  4. Step 4: Simplify right side
    10,886.22x = 117,877,154.07
  5. Step 5: Solve for x
    x = 117,877,154.07/10,886.22
  6. Step 6: Final answer
    x = 10,828.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.