Home / 9,420.64-12,998.75-6,062.72

Finding the Fourth Proportional to 9,420.64, 12,998.75 and 6,062.72

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Solution

The fourth proportional to 9,420.64, 12,998.75 and 6,062.72 is: 8,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.64 : 12,998.75 = 6,062.72 : x
  2. Step 2: Convert to fraction form
    9,420.64/12,998.75 = 6,062.72/x
  3. Step 3: Cross multiply
    9,420.64x = 12,998.75 × 6,062.72
  4. Step 4: Simplify right side
    9,420.64x = 78,807,686.29
  5. Step 5: Solve for x
    x = 78,807,686.29/9,420.64
  6. Step 6: Final answer
    x = 8,365.43

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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.