Home / 12,038.89-16,613.72-6,733.70

Finding the Fourth Proportional to 12,038.89, 16,613.72 and 6,733.70

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Solution

The fourth proportional to 12,038.89, 16,613.72 and 6,733.70 is: 9,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.89 : 16,613.72 = 6,733.70 : x
  2. Step 2: Convert to fraction form
    12,038.89/16,613.72 = 6,733.70/x
  3. Step 3: Cross multiply
    12,038.89x = 16,613.72 × 6,733.70
  4. Step 4: Simplify right side
    12,038.89x = 111,871,772.70
  5. Step 5: Solve for x
    x = 111,871,772.70/12,038.89
  6. Step 6: Final answer
    x = 9,292.54

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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.