Home / 15,700.86-23,523.61-8,288.99

Finding the Fourth Proportional to 15,700.86, 23,523.61 and 8,288.99

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Solution

The fourth proportional to 15,700.86, 23,523.61 and 8,288.99 is: 12,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700.86 : 23,523.61 = 8,288.99 : x
  2. Step 2: Convert to fraction form
    15,700.86/23,523.61 = 8,288.99/x
  3. Step 3: Cross multiply
    15,700.86x = 23,523.61 × 8,288.99
  4. Step 4: Simplify right side
    15,700.86x = 194,986,968.05
  5. Step 5: Solve for x
    x = 194,986,968.05/15,700.86
  6. Step 6: Final answer
    x = 12,418.87

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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.