Home / 11,320.95-15,622.77-6,284.98

Finding the Fourth Proportional to 11,320.95, 15,622.77 and 6,284.98

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Solution

The fourth proportional to 11,320.95, 15,622.77 and 6,284.98 is: 8,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.95 : 15,622.77 = 6,284.98 : x
  2. Step 2: Convert to fraction form
    11,320.95/15,622.77 = 6,284.98/x
  3. Step 3: Cross multiply
    11,320.95x = 15,622.77 × 6,284.98
  4. Step 4: Simplify right side
    11,320.95x = 98,188,752.21
  5. Step 5: Solve for x
    x = 98,188,752.21/11,320.95
  6. Step 6: Final answer
    x = 8,673.19

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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.