Home / 15,878.47-23,812.84-10,979.59

Finding the Fourth Proportional to 15,878.47, 23,812.84 and 10,979.59

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Solution

The fourth proportional to 15,878.47, 23,812.84 and 10,979.59 is: 16,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.47 : 23,812.84 = 10,979.59 : x
  2. Step 2: Convert to fraction form
    15,878.47/23,812.84 = 10,979.59/x
  3. Step 3: Cross multiply
    15,878.47x = 23,812.84 × 10,979.59
  4. Step 4: Simplify right side
    15,878.47x = 261,455,219.94
  5. Step 5: Solve for x
    x = 261,455,219.94/15,878.47
  6. Step 6: Final answer
    x = 16,466.02

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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.