Home / 10,321.91-14,245.44-6,130.16

Finding the Fourth Proportional to 10,321.91, 14,245.44 and 6,130.16

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Solution

The fourth proportional to 10,321.91, 14,245.44 and 6,130.16 is: 8,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.91 : 14,245.44 = 6,130.16 : x
  2. Step 2: Convert to fraction form
    10,321.91/14,245.44 = 6,130.16/x
  3. Step 3: Cross multiply
    10,321.91x = 14,245.44 × 6,130.16
  4. Step 4: Simplify right side
    10,321.91x = 87,326,826.47
  5. Step 5: Solve for x
    x = 87,326,826.47/10,321.91
  6. Step 6: Final answer
    x = 8,460.34

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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.