Home / 13,106.31-19,640.02-9,626.55

Finding the Fourth Proportional to 13,106.31, 19,640.02 and 9,626.55

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Solution

The fourth proportional to 13,106.31, 19,640.02 and 9,626.55 is: 14,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.31 : 19,640.02 = 9,626.55 : x
  2. Step 2: Convert to fraction form
    13,106.31/19,640.02 = 9,626.55/x
  3. Step 3: Cross multiply
    13,106.31x = 19,640.02 × 9,626.55
  4. Step 4: Simplify right side
    13,106.31x = 189,065,554.86
  5. Step 5: Solve for x
    x = 189,065,554.86/13,106.31
  6. Step 6: Final answer
    x = 14,425.54

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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.