Home / 10,619.16-14,656.86-6,886.68

Finding the Fourth Proportional to 10,619.16, 14,656.86 and 6,886.68

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Solution

The fourth proportional to 10,619.16, 14,656.86 and 6,886.68 is: 9,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.16 : 14,656.86 = 6,886.68 : x
  2. Step 2: Convert to fraction form
    10,619.16/14,656.86 = 6,886.68/x
  3. Step 3: Cross multiply
    10,619.16x = 14,656.86 × 6,886.68
  4. Step 4: Simplify right side
    10,619.16x = 100,937,104.62
  5. Step 5: Solve for x
    x = 100,937,104.62/10,619.16
  6. Step 6: Final answer
    x = 9,505.19

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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.