Home / 16,120.69-23,985.99-15,718.93

Finding the Fourth Proportional to 16,120.69, 23,985.99 and 15,718.93

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Solution

The fourth proportional to 16,120.69, 23,985.99 and 15,718.93 is: 23,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.69 : 23,985.99 = 15,718.93 : x
  2. Step 2: Convert to fraction form
    16,120.69/23,985.99 = 15,718.93/x
  3. Step 3: Cross multiply
    16,120.69x = 23,985.99 × 15,718.93
  4. Step 4: Simplify right side
    16,120.69x = 377,034,097.79
  5. Step 5: Solve for x
    x = 377,034,097.79/16,120.69
  6. Step 6: Final answer
    x = 23,388.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.