Home / 11,326.77-16,907.28-10,503.45

Finding the Fourth Proportional to 11,326.77, 16,907.28 and 10,503.45

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Solution

The fourth proportional to 11,326.77, 16,907.28 and 10,503.45 is: 15,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,326.77 : 16,907.28 = 10,503.45 : x
  2. Step 2: Convert to fraction form
    11,326.77/16,907.28 = 10,503.45/x
  3. Step 3: Cross multiply
    11,326.77x = 16,907.28 × 10,503.45
  4. Step 4: Simplify right side
    11,326.77x = 177,584,770.12
  5. Step 5: Solve for x
    x = 177,584,770.12/11,326.77
  6. Step 6: Final answer
    x = 15,678.32

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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.