Home / 15,537.30-23,271.93-12,891.30

Finding the Fourth Proportional to 15,537.30, 23,271.93 and 12,891.30

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Solution

The fourth proportional to 15,537.30, 23,271.93 and 12,891.30 is: 19,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.30 : 23,271.93 = 12,891.30 : x
  2. Step 2: Convert to fraction form
    15,537.30/23,271.93 = 12,891.30/x
  3. Step 3: Cross multiply
    15,537.30x = 23,271.93 × 12,891.30
  4. Step 4: Simplify right side
    15,537.30x = 300,005,431.21
  5. Step 5: Solve for x
    x = 300,005,431.21/15,537.30
  6. Step 6: Final answer
    x = 19,308.72

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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.