Home / 10,619.75-14,655.58-6,144.91

Finding the Fourth Proportional to 10,619.75, 14,655.58 and 6,144.91

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Solution

The fourth proportional to 10,619.75, 14,655.58 and 6,144.91 is: 8,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.75 : 14,655.58 = 6,144.91 : x
  2. Step 2: Convert to fraction form
    10,619.75/14,655.58 = 6,144.91/x
  3. Step 3: Cross multiply
    10,619.75x = 14,655.58 × 6,144.91
  4. Step 4: Simplify right side
    10,619.75x = 90,057,168.10
  5. Step 5: Solve for x
    x = 90,057,168.10/10,619.75
  6. Step 6: Final answer
    x = 8,480.16

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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.