Home / 18,898.52-26,080.20-10,401.64

Finding the Fourth Proportional to 18,898.52, 26,080.20 and 10,401.64

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Solution

The fourth proportional to 18,898.52, 26,080.20 and 10,401.64 is: 14,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,898.52 : 26,080.20 = 10,401.64 : x
  2. Step 2: Convert to fraction form
    18,898.52/26,080.20 = 10,401.64/x
  3. Step 3: Cross multiply
    18,898.52x = 26,080.20 × 10,401.64
  4. Step 4: Simplify right side
    18,898.52x = 271,276,851.53
  5. Step 5: Solve for x
    x = 271,276,851.53/18,898.52
  6. Step 6: Final answer
    x = 14,354.40

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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.