Home / 12,293.96-18,442.80-4,395.86

Finding the Fourth Proportional to 12,293.96, 18,442.80 and 4,395.86

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Solution

The fourth proportional to 12,293.96, 18,442.80 and 4,395.86 is: 6,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.96 : 18,442.80 = 4,395.86 : x
  2. Step 2: Convert to fraction form
    12,293.96/18,442.80 = 4,395.86/x
  3. Step 3: Cross multiply
    12,293.96x = 18,442.80 × 4,395.86
  4. Step 4: Simplify right side
    12,293.96x = 81,071,966.81
  5. Step 5: Solve for x
    x = 81,071,966.81/12,293.96
  6. Step 6: Final answer
    x = 6,594.46

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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.