Home / 9,121.19-13,668.92-4,307.49

Finding the Fourth Proportional to 9,121.19, 13,668.92 and 4,307.49

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Solution

The fourth proportional to 9,121.19, 13,668.92 and 4,307.49 is: 6,455.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121.19 : 13,668.92 = 4,307.49 : x
  2. Step 2: Convert to fraction form
    9,121.19/13,668.92 = 4,307.49/x
  3. Step 3: Cross multiply
    9,121.19x = 13,668.92 × 4,307.49
  4. Step 4: Simplify right side
    9,121.19x = 58,878,746.98
  5. Step 5: Solve for x
    x = 58,878,746.98/9,121.19
  6. Step 6: Final answer
    x = 6,455.16

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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.