Home / 9,254.15-12,770.72-5,005.21

Finding the Fourth Proportional to 9,254.15, 12,770.72 and 5,005.21

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Solution

The fourth proportional to 9,254.15, 12,770.72 and 5,005.21 is: 6,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,254.15 : 12,770.72 = 5,005.21 : x
  2. Step 2: Convert to fraction form
    9,254.15/12,770.72 = 5,005.21/x
  3. Step 3: Cross multiply
    9,254.15x = 12,770.72 × 5,005.21
  4. Step 4: Simplify right side
    9,254.15x = 63,920,149.37
  5. Step 5: Solve for x
    x = 63,920,149.37/9,254.15
  6. Step 6: Final answer
    x = 6,907.19

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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.