Home / 11,370.30-15,690.50-6,335.07

Finding the Fourth Proportional to 11,370.30, 15,690.50 and 6,335.07

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Solution

The fourth proportional to 11,370.30, 15,690.50 and 6,335.07 is: 8,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.30 : 15,690.50 = 6,335.07 : x
  2. Step 2: Convert to fraction form
    11,370.30/15,690.50 = 6,335.07/x
  3. Step 3: Cross multiply
    11,370.30x = 15,690.50 × 6,335.07
  4. Step 4: Simplify right side
    11,370.30x = 99,400,415.84
  5. Step 5: Solve for x
    x = 99,400,415.84/11,370.30
  6. Step 6: Final answer
    x = 8,742.11

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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.