Home / 18,898.90-26,080.49-10,401.02

Finding the Fourth Proportional to 18,898.90, 26,080.49 and 10,401.02

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Solution

The fourth proportional to 18,898.90, 26,080.49 and 10,401.02 is: 14,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.90 : 26,080.49 = 10,401.02 : x
  2. Step 2: Convert to fraction form
    18,898.90/26,080.49 = 10,401.02/x
  3. Step 3: Cross multiply
    18,898.90x = 26,080.49 × 10,401.02
  4. Step 4: Simplify right side
    18,898.90x = 271,263,698.10
  5. Step 5: Solve for x
    x = 271,263,698.10/18,898.90
  6. Step 6: Final answer
    x = 14,353.41

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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.