Home / 9,319.31-13,972.12-4,386.25

Finding the Fourth Proportional to 9,319.31, 13,972.12 and 4,386.25

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Solution

The fourth proportional to 9,319.31, 13,972.12 and 4,386.25 is: 6,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.31 : 13,972.12 = 4,386.25 : x
  2. Step 2: Convert to fraction form
    9,319.31/13,972.12 = 4,386.25/x
  3. Step 3: Cross multiply
    9,319.31x = 13,972.12 × 4,386.25
  4. Step 4: Simplify right side
    9,319.31x = 61,285,211.35
  5. Step 5: Solve for x
    x = 61,285,211.35/9,319.31
  6. Step 6: Final answer
    x = 6,576.15

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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.