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Finding the Fourth Proportional to 15,661.69, 23,492.07 and 5,800.75

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Solution

The fourth proportional to 15,661.69, 23,492.07 and 5,800.75 is: 8,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661.69 : 23,492.07 = 5,800.75 : x
  2. Step 2: Convert to fraction form
    15,661.69/23,492.07 = 5,800.75/x
  3. Step 3: Cross multiply
    15,661.69x = 23,492.07 × 5,800.75
  4. Step 4: Simplify right side
    15,661.69x = 136,271,566.32
  5. Step 5: Solve for x
    x = 136,271,566.32/15,661.69
  6. Step 6: Final answer
    x = 8,700.95

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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.