Home / 18,101.98-24,979.37-10,142.67

Finding the Fourth Proportional to 18,101.98, 24,979.37 and 10,142.67

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Solution

The fourth proportional to 18,101.98, 24,979.37 and 10,142.67 is: 13,996.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,101.98 : 24,979.37 = 10,142.67 : x
  2. Step 2: Convert to fraction form
    18,101.98/24,979.37 = 10,142.67/x
  3. Step 3: Cross multiply
    18,101.98x = 24,979.37 × 10,142.67
  4. Step 4: Simplify right side
    18,101.98x = 253,357,466.22
  5. Step 5: Solve for x
    x = 253,357,466.22/18,101.98
  6. Step 6: Final answer
    x = 13,996.12

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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.