Home / 18,117.21-25,002.26-10,159.27

Finding the Fourth Proportional to 18,117.21, 25,002.26 and 10,159.27

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Solution

The fourth proportional to 18,117.21, 25,002.26 and 10,159.27 is: 14,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.21 : 25,002.26 = 10,159.27 : x
  2. Step 2: Convert to fraction form
    18,117.21/25,002.26 = 10,159.27/x
  3. Step 3: Cross multiply
    18,117.21x = 25,002.26 × 10,159.27
  4. Step 4: Simplify right side
    18,117.21x = 254,004,672.84
  5. Step 5: Solve for x
    x = 254,004,672.84/18,117.21
  6. Step 6: Final answer
    x = 14,020.08

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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.