Home / 10,148.70-14,009.40-6,171.06

Finding the Fourth Proportional to 10,148.70, 14,009.40 and 6,171.06

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Solution

The fourth proportional to 10,148.70, 14,009.40 and 6,171.06 is: 8,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.70 : 14,009.40 = 6,171.06 : x
  2. Step 2: Convert to fraction form
    10,148.70/14,009.40 = 6,171.06/x
  3. Step 3: Cross multiply
    10,148.70x = 14,009.40 × 6,171.06
  4. Step 4: Simplify right side
    10,148.70x = 86,452,847.96
  5. Step 5: Solve for x
    x = 86,452,847.96/10,148.70
  6. Step 6: Final answer
    x = 8,518.61

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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.