Home / 11,210.32-16,820.28-4,641.28

Finding the Fourth Proportional to 11,210.32, 16,820.28 and 4,641.28

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Solution

The fourth proportional to 11,210.32, 16,820.28 and 4,641.28 is: 6,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.32 : 16,820.28 = 4,641.28 : x
  2. Step 2: Convert to fraction form
    11,210.32/16,820.28 = 4,641.28/x
  3. Step 3: Cross multiply
    11,210.32x = 16,820.28 × 4,641.28
  4. Step 4: Simplify right side
    11,210.32x = 78,067,629.16
  5. Step 5: Solve for x
    x = 78,067,629.16/11,210.32
  6. Step 6: Final answer
    x = 6,963.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.