Home / 9,420.64-14,130.96-3,575.88

Finding the Fourth Proportional to 9,420.64, 14,130.96 and 3,575.88

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Solution

The fourth proportional to 9,420.64, 14,130.96 and 3,575.88 is: 5,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.64 : 14,130.96 = 3,575.88 : x
  2. Step 2: Convert to fraction form
    9,420.64/14,130.96 = 3,575.88/x
  3. Step 3: Cross multiply
    9,420.64x = 14,130.96 × 3,575.88
  4. Step 4: Simplify right side
    9,420.64x = 50,530,617.24
  5. Step 5: Solve for x
    x = 50,530,617.24/9,420.64
  6. Step 6: Final answer
    x = 5,363.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.