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Finding the Fourth Proportional to 9,368.97, 12,935.21 and 6,013.23

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Solution

The fourth proportional to 9,368.97, 12,935.21 and 6,013.23 is: 8,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.97 : 12,935.21 = 6,013.23 : x
  2. Step 2: Convert to fraction form
    9,368.97/12,935.21 = 6,013.23/x
  3. Step 3: Cross multiply
    9,368.97x = 12,935.21 × 6,013.23
  4. Step 4: Simplify right side
    9,368.97x = 77,782,392.83
  5. Step 5: Solve for x
    x = 77,782,392.83/9,368.97
  6. Step 6: Final answer
    x = 8,302.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.