Home / 9,342.90-12,893.49-5,364.81

Finding the Fourth Proportional to 9,342.90, 12,893.49 and 5,364.81

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Solution

The fourth proportional to 9,342.90, 12,893.49 and 5,364.81 is: 7,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.90 : 12,893.49 = 5,364.81 : x
  2. Step 2: Convert to fraction form
    9,342.90/12,893.49 = 5,364.81/x
  3. Step 3: Cross multiply
    9,342.90x = 12,893.49 × 5,364.81
  4. Step 4: Simplify right side
    9,342.90x = 69,171,124.09
  5. Step 5: Solve for x
    x = 69,171,124.09/9,342.90
  6. Step 6: Final answer
    x = 7,403.60

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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.