Home / 10,370.56-14,314.44-8,969.31

Finding the Fourth Proportional to 10,370.56, 14,314.44 and 8,969.31

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Solution

The fourth proportional to 10,370.56, 14,314.44 and 8,969.31 is: 12,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.56 : 14,314.44 = 8,969.31 : x
  2. Step 2: Convert to fraction form
    10,370.56/14,314.44 = 8,969.31/x
  3. Step 3: Cross multiply
    10,370.56x = 14,314.44 × 8,969.31
  4. Step 4: Simplify right side
    10,370.56x = 128,390,649.84
  5. Step 5: Solve for x
    x = 128,390,649.84/10,370.56
  6. Step 6: Final answer
    x = 12,380.30

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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.