Home / 10,263.98-15,391.35-4,339.64

Finding the Fourth Proportional to 10,263.98, 15,391.35 and 4,339.64

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Solution

The fourth proportional to 10,263.98, 15,391.35 and 4,339.64 is: 6,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.98 : 15,391.35 = 4,339.64 : x
  2. Step 2: Convert to fraction form
    10,263.98/15,391.35 = 4,339.64/x
  3. Step 3: Cross multiply
    10,263.98x = 15,391.35 × 4,339.64
  4. Step 4: Simplify right side
    10,263.98x = 66,792,918.11
  5. Step 5: Solve for x
    x = 66,792,918.11/10,263.98
  6. Step 6: Final answer
    x = 6,507.51

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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.