Home / 12,377.32-17,074.66-7,070.74

Finding the Fourth Proportional to 12,377.32, 17,074.66 and 7,070.74

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Solution

The fourth proportional to 12,377.32, 17,074.66 and 7,070.74 is: 9,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.32 : 17,074.66 = 7,070.74 : x
  2. Step 2: Convert to fraction form
    12,377.32/17,074.66 = 7,070.74/x
  3. Step 3: Cross multiply
    12,377.32x = 17,074.66 × 7,070.74
  4. Step 4: Simplify right side
    12,377.32x = 120,730,360.72
  5. Step 5: Solve for x
    x = 120,730,360.72/12,377.32
  6. Step 6: Final answer
    x = 9,754.16

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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.