Home / 10,222.23-15,258.75-8,770.71

Finding the Fourth Proportional to 10,222.23, 15,258.75 and 8,770.71

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Solution

The fourth proportional to 10,222.23, 15,258.75 and 8,770.71 is: 13,092.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.23 : 15,258.75 = 8,770.71 : x
  2. Step 2: Convert to fraction form
    10,222.23/15,258.75 = 8,770.71/x
  3. Step 3: Cross multiply
    10,222.23x = 15,258.75 × 8,770.71
  4. Step 4: Simplify right side
    10,222.23x = 133,830,071.21
  5. Step 5: Solve for x
    x = 133,830,071.21/10,222.23
  6. Step 6: Final answer
    x = 13,092.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.