Home / 11,290.32-15,580.77-6,254.63

Finding the Fourth Proportional to 11,290.32, 15,580.77 and 6,254.63

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Solution

The fourth proportional to 11,290.32, 15,580.77 and 6,254.63 is: 8,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.32 : 15,580.77 = 6,254.63 : x
  2. Step 2: Convert to fraction form
    11,290.32/15,580.77 = 6,254.63/x
  3. Step 3: Cross multiply
    11,290.32x = 15,580.77 × 6,254.63
  4. Step 4: Simplify right side
    11,290.32x = 97,451,873.56
  5. Step 5: Solve for x
    x = 97,451,873.56/11,290.32
  6. Step 6: Final answer
    x = 8,631.45

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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.