Home / 10,656.41-14,708.93-6,181.16

Finding the Fourth Proportional to 10,656.41, 14,708.93 and 6,181.16

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Solution

The fourth proportional to 10,656.41, 14,708.93 and 6,181.16 is: 8,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.41 : 14,708.93 = 6,181.16 : x
  2. Step 2: Convert to fraction form
    10,656.41/14,708.93 = 6,181.16/x
  3. Step 3: Cross multiply
    10,656.41x = 14,708.93 × 6,181.16
  4. Step 4: Simplify right side
    10,656.41x = 90,918,145.31
  5. Step 5: Solve for x
    x = 90,918,145.31/10,656.41
  6. Step 6: Final answer
    x = 8,531.78

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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.