Home / 9,725.18-13,415.35-6,373.40

Finding the Fourth Proportional to 9,725.18, 13,415.35 and 6,373.40

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Solution

The fourth proportional to 9,725.18, 13,415.35 and 6,373.40 is: 8,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,725.18 : 13,415.35 = 6,373.40 : x
  2. Step 2: Convert to fraction form
    9,725.18/13,415.35 = 6,373.40/x
  3. Step 3: Cross multiply
    9,725.18x = 13,415.35 × 6,373.40
  4. Step 4: Simplify right side
    9,725.18x = 85,501,378.17
  5. Step 5: Solve for x
    x = 85,501,378.17/9,725.18
  6. Step 6: Final answer
    x = 8,791.75

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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.