Home / 17,878.86-26,737.74-13,663.35

Finding the Fourth Proportional to 17,878.86, 26,737.74 and 13,663.35

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Solution

The fourth proportional to 17,878.86, 26,737.74 and 13,663.35 is: 20,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.86 : 26,737.74 = 13,663.35 : x
  2. Step 2: Convert to fraction form
    17,878.86/26,737.74 = 13,663.35/x
  3. Step 3: Cross multiply
    17,878.86x = 26,737.74 × 13,663.35
  4. Step 4: Simplify right side
    17,878.86x = 365,327,099.83
  5. Step 5: Solve for x
    x = 365,327,099.83/17,878.86
  6. Step 6: Final answer
    x = 20,433.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.