Home / 15,851.12-23,755.44-12,345.44

Finding the Fourth Proportional to 15,851.12, 23,755.44 and 12,345.44

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Solution

The fourth proportional to 15,851.12, 23,755.44 and 12,345.44 is: 18,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851.12 : 23,755.44 = 12,345.44 : x
  2. Step 2: Convert to fraction form
    15,851.12/23,755.44 = 12,345.44/x
  3. Step 3: Cross multiply
    15,851.12x = 23,755.44 × 12,345.44
  4. Step 4: Simplify right side
    15,851.12x = 293,271,359.19
  5. Step 5: Solve for x
    x = 293,271,359.19/15,851.12
  6. Step 6: Final answer
    x = 18,501.62

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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.