Home / 15,751.23-23,627.69-6,389.85

Finding the Fourth Proportional to 15,751.23, 23,627.69 and 6,389.85

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Solution

The fourth proportional to 15,751.23, 23,627.69 and 6,389.85 is: 9,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.23 : 23,627.69 = 6,389.85 : x
  2. Step 2: Convert to fraction form
    15,751.23/23,627.69 = 6,389.85/x
  3. Step 3: Cross multiply
    15,751.23x = 23,627.69 × 6,389.85
  4. Step 4: Simplify right side
    15,751.23x = 150,977,394.95
  5. Step 5: Solve for x
    x = 150,977,394.95/15,751.23
  6. Step 6: Final answer
    x = 9,585.12

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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.