Home / 11,400.08-17,085.54-6,718.28

Finding the Fourth Proportional to 11,400.08, 17,085.54 and 6,718.28

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Solution

The fourth proportional to 11,400.08, 17,085.54 and 6,718.28 is: 10,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.08 : 17,085.54 = 6,718.28 : x
  2. Step 2: Convert to fraction form
    11,400.08/17,085.54 = 6,718.28/x
  3. Step 3: Cross multiply
    11,400.08x = 17,085.54 × 6,718.28
  4. Step 4: Simplify right side
    11,400.08x = 114,785,441.67
  5. Step 5: Solve for x
    x = 114,785,441.67/11,400.08
  6. Step 6: Final answer
    x = 10,068.83

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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.