Home / 18,137.86-25,029.53-10,071.93

Finding the Fourth Proportional to 18,137.86, 25,029.53 and 10,071.93

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Solution

The fourth proportional to 18,137.86, 25,029.53 and 10,071.93 is: 13,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.86 : 25,029.53 = 10,071.93 : x
  2. Step 2: Convert to fraction form
    18,137.86/25,029.53 = 10,071.93/x
  3. Step 3: Cross multiply
    18,137.86x = 25,029.53 × 10,071.93
  4. Step 4: Simplify right side
    18,137.86x = 252,095,748.49
  5. Step 5: Solve for x
    x = 252,095,748.49/18,137.86
  6. Step 6: Final answer
    x = 13,898.87

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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.