Home / 18,837.48-26,000.50-12,871.56

Finding the Fourth Proportional to 18,837.48, 26,000.50 and 12,871.56

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Solution

The fourth proportional to 18,837.48, 26,000.50 and 12,871.56 is: 17,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.48 : 26,000.50 = 12,871.56 : x
  2. Step 2: Convert to fraction form
    18,837.48/26,000.50 = 12,871.56/x
  3. Step 3: Cross multiply
    18,837.48x = 26,000.50 × 12,871.56
  4. Step 4: Simplify right side
    18,837.48x = 334,666,995.78
  5. Step 5: Solve for x
    x = 334,666,995.78/18,837.48
  6. Step 6: Final answer
    x = 17,766.02

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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.