Home / 15,862.58-21,880.43-10,204.70

Finding the Fourth Proportional to 15,862.58, 21,880.43 and 10,204.70

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Solution

The fourth proportional to 15,862.58, 21,880.43 and 10,204.70 is: 14,076.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.58 : 21,880.43 = 10,204.70 : x
  2. Step 2: Convert to fraction form
    15,862.58/21,880.43 = 10,204.70/x
  3. Step 3: Cross multiply
    15,862.58x = 21,880.43 × 10,204.70
  4. Step 4: Simplify right side
    15,862.58x = 223,283,114.62
  5. Step 5: Solve for x
    x = 223,283,114.62/15,862.58
  6. Step 6: Final answer
    x = 14,076.09

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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.