Home / 11,290.30-15,579.87-6,254.17

Finding the Fourth Proportional to 11,290.30, 15,579.87 and 6,254.17

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Solution

The fourth proportional to 11,290.30, 15,579.87 and 6,254.17 is: 8,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.30 : 15,579.87 = 6,254.17 : x
  2. Step 2: Convert to fraction form
    11,290.30/15,579.87 = 6,254.17/x
  3. Step 3: Cross multiply
    11,290.30x = 15,579.87 × 6,254.17
  4. Step 4: Simplify right side
    11,290.30x = 97,439,155.56
  5. Step 5: Solve for x
    x = 97,439,155.56/11,290.30
  6. Step 6: Final answer
    x = 8,630.34

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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.