Home / 10,054.56-13,871.89-6,518.48

Finding the Fourth Proportional to 10,054.56, 13,871.89 and 6,518.48

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Solution

The fourth proportional to 10,054.56, 13,871.89 and 6,518.48 is: 8,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,054.56 : 13,871.89 = 6,518.48 : x
  2. Step 2: Convert to fraction form
    10,054.56/13,871.89 = 6,518.48/x
  3. Step 3: Cross multiply
    10,054.56x = 13,871.89 × 6,518.48
  4. Step 4: Simplify right side
    10,054.56x = 90,423,576.32
  5. Step 5: Solve for x
    x = 90,423,576.32/10,054.56
  6. Step 6: Final answer
    x = 8,993.29

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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.