Home / 10,185.68-14,053.32-6,460.88

Finding the Fourth Proportional to 10,185.68, 14,053.32 and 6,460.88

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Solution

The fourth proportional to 10,185.68, 14,053.32 and 6,460.88 is: 8,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.68 : 14,053.32 = 6,460.88 : x
  2. Step 2: Convert to fraction form
    10,185.68/14,053.32 = 6,460.88/x
  3. Step 3: Cross multiply
    10,185.68x = 14,053.32 × 6,460.88
  4. Step 4: Simplify right side
    10,185.68x = 90,796,814.12
  5. Step 5: Solve for x
    x = 90,796,814.12/10,185.68
  6. Step 6: Final answer
    x = 8,914.16

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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.