Home / 12,154.86-16,765.38-7,441.47

Finding the Fourth Proportional to 12,154.86, 16,765.38 and 7,441.47

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Solution

The fourth proportional to 12,154.86, 16,765.38 and 7,441.47 is: 10,264.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.86 : 16,765.38 = 7,441.47 : x
  2. Step 2: Convert to fraction form
    12,154.86/16,765.38 = 7,441.47/x
  3. Step 3: Cross multiply
    12,154.86x = 16,765.38 × 7,441.47
  4. Step 4: Simplify right side
    12,154.86x = 124,759,072.31
  5. Step 5: Solve for x
    x = 124,759,072.31/12,154.86
  6. Step 6: Final answer
    x = 10,264.13

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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.