Home / 9,319.82-13,972.88-4,386.75

Finding the Fourth Proportional to 9,319.82, 13,972.88 and 4,386.75

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Solution

The fourth proportional to 9,319.82, 13,972.88 and 4,386.75 is: 6,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.82 : 13,972.88 = 4,386.75 : x
  2. Step 2: Convert to fraction form
    9,319.82/13,972.88 = 4,386.75/x
  3. Step 3: Cross multiply
    9,319.82x = 13,972.88 × 4,386.75
  4. Step 4: Simplify right side
    9,319.82x = 61,295,509.41
  5. Step 5: Solve for x
    x = 61,295,509.41/9,319.82
  6. Step 6: Final answer
    x = 6,576.90

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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.