Home / 15,895.68-23,827.32-7,128.24

Finding the Fourth Proportional to 15,895.68, 23,827.32 and 7,128.24

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Solution

The fourth proportional to 15,895.68, 23,827.32 and 7,128.24 is: 10,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.68 : 23,827.32 = 7,128.24 : x
  2. Step 2: Convert to fraction form
    15,895.68/23,827.32 = 7,128.24/x
  3. Step 3: Cross multiply
    15,895.68x = 23,827.32 × 7,128.24
  4. Step 4: Simplify right side
    15,895.68x = 169,846,855.52
  5. Step 5: Solve for x
    x = 169,846,855.52/15,895.68
  6. Step 6: Final answer
    x = 10,685.10

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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.