Home / 9,661.24-13,332.70-6,306.20

Finding the Fourth Proportional to 9,661.24, 13,332.70 and 6,306.20

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Solution

The fourth proportional to 9,661.24, 13,332.70 and 6,306.20 is: 8,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661.24 : 13,332.70 = 6,306.20 : x
  2. Step 2: Convert to fraction form
    9,661.24/13,332.70 = 6,306.20/x
  3. Step 3: Cross multiply
    9,661.24x = 13,332.70 × 6,306.20
  4. Step 4: Simplify right side
    9,661.24x = 84,078,672.74
  5. Step 5: Solve for x
    x = 84,078,672.74/9,661.24
  6. Step 6: Final answer
    x = 8,702.68

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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.