Home / 11,319.15-15,622.29-6,284.98

Finding the Fourth Proportional to 11,319.15, 15,622.29 and 6,284.98

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Solution

The fourth proportional to 11,319.15, 15,622.29 and 6,284.98 is: 8,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.15 : 15,622.29 = 6,284.98 : x
  2. Step 2: Convert to fraction form
    11,319.15/15,622.29 = 6,284.98/x
  3. Step 3: Cross multiply
    11,319.15x = 15,622.29 × 6,284.98
  4. Step 4: Simplify right side
    11,319.15x = 98,185,780.20
  5. Step 5: Solve for x
    x = 98,185,780.20/11,319.15
  6. Step 6: Final answer
    x = 8,674.31

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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.