Home / 9,385.54-12,951.84-5,136.59

Finding the Fourth Proportional to 9,385.54, 12,951.84 and 5,136.59

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Solution

The fourth proportional to 9,385.54, 12,951.84 and 5,136.59 is: 7,088.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.54 : 12,951.84 = 5,136.59 : x
  2. Step 2: Convert to fraction form
    9,385.54/12,951.84 = 5,136.59/x
  3. Step 3: Cross multiply
    9,385.54x = 12,951.84 × 5,136.59
  4. Step 4: Simplify right side
    9,385.54x = 66,528,227.07
  5. Step 5: Solve for x
    x = 66,528,227.07/9,385.54
  6. Step 6: Final answer
    x = 7,088.37

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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.