Home / 10,861.07-14,988.59-6,145.25

Finding the Fourth Proportional to 10,861.07, 14,988.59 and 6,145.25

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Solution

The fourth proportional to 10,861.07, 14,988.59 and 6,145.25 is: 8,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.07 : 14,988.59 = 6,145.25 : x
  2. Step 2: Convert to fraction form
    10,861.07/14,988.59 = 6,145.25/x
  3. Step 3: Cross multiply
    10,861.07x = 14,988.59 × 6,145.25
  4. Step 4: Simplify right side
    10,861.07x = 92,108,632.70
  5. Step 5: Solve for x
    x = 92,108,632.70/10,861.07
  6. Step 6: Final answer
    x = 8,480.62

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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.