Home / 18,264.29-25,204.64-9,880.79

Finding the Fourth Proportional to 18,264.29, 25,204.64 and 9,880.79

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Solution

The fourth proportional to 18,264.29, 25,204.64 and 9,880.79 is: 13,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.29 : 25,204.64 = 9,880.79 : x
  2. Step 2: Convert to fraction form
    18,264.29/25,204.64 = 9,880.79/x
  3. Step 3: Cross multiply
    18,264.29x = 25,204.64 × 9,880.79
  4. Step 4: Simplify right side
    18,264.29x = 249,041,579.44
  5. Step 5: Solve for x
    x = 249,041,579.44/18,264.29
  6. Step 6: Final answer
    x = 13,635.44

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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.