Home / 10,138.55-13,995.47-6,160.94

Finding the Fourth Proportional to 10,138.55, 13,995.47 and 6,160.94

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Solution

The fourth proportional to 10,138.55, 13,995.47 and 6,160.94 is: 8,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.55 : 13,995.47 = 6,160.94 : x
  2. Step 2: Convert to fraction form
    10,138.55/13,995.47 = 6,160.94/x
  3. Step 3: Cross multiply
    10,138.55x = 13,995.47 × 6,160.94
  4. Step 4: Simplify right side
    10,138.55x = 86,225,220.14
  5. Step 5: Solve for x
    x = 86,225,220.14/10,138.55
  6. Step 6: Final answer
    x = 8,504.69

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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.