Home / 9,319.41-13,959.03-4,381.65

Finding the Fourth Proportional to 9,319.41, 13,959.03 and 4,381.65

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Solution

The fourth proportional to 9,319.41, 13,959.03 and 4,381.65 is: 6,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.41 : 13,959.03 = 4,381.65 : x
  2. Step 2: Convert to fraction form
    9,319.41/13,959.03 = 4,381.65/x
  3. Step 3: Cross multiply
    9,319.41x = 13,959.03 × 4,381.65
  4. Step 4: Simplify right side
    9,319.41x = 61,163,583.80
  5. Step 5: Solve for x
    x = 61,163,583.80/9,319.41
  6. Step 6: Final answer
    x = 6,563.03

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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.