Home / 10,913.40-15,058.18-7,550.84

Finding the Fourth Proportional to 10,913.40, 15,058.18 and 7,550.84

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Solution

The fourth proportional to 10,913.40, 15,058.18 and 7,550.84 is: 10,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.40 : 15,058.18 = 7,550.84 : x
  2. Step 2: Convert to fraction form
    10,913.40/15,058.18 = 7,550.84/x
  3. Step 3: Cross multiply
    10,913.40x = 15,058.18 × 7,550.84
  4. Step 4: Simplify right side
    10,913.40x = 113,701,907.87
  5. Step 5: Solve for x
    x = 113,701,907.87/10,913.40
  6. Step 6: Final answer
    x = 10,418.56

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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.