Home / 15,568.57-21,497.16-12,025.63

Finding the Fourth Proportional to 15,568.57, 21,497.16 and 12,025.63

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Solution

The fourth proportional to 15,568.57, 21,497.16 and 12,025.63 is: 16,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.57 : 21,497.16 = 12,025.63 : x
  2. Step 2: Convert to fraction form
    15,568.57/21,497.16 = 12,025.63/x
  3. Step 3: Cross multiply
    15,568.57x = 21,497.16 × 12,025.63
  4. Step 4: Simplify right side
    15,568.57x = 258,516,892.21
  5. Step 5: Solve for x
    x = 258,516,892.21/15,568.57
  6. Step 6: Final answer
    x = 16,605.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.