Home / 18,670.17-25,768.62-10,717.86

Finding the Fourth Proportional to 18,670.17, 25,768.62 and 10,717.86

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Solution

The fourth proportional to 18,670.17, 25,768.62 and 10,717.86 is: 14,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,670.17 : 25,768.62 = 10,717.86 : x
  2. Step 2: Convert to fraction form
    18,670.17/25,768.62 = 10,717.86/x
  3. Step 3: Cross multiply
    18,670.17x = 25,768.62 × 10,717.86
  4. Step 4: Simplify right side
    18,670.17x = 276,184,461.55
  5. Step 5: Solve for x
    x = 276,184,461.55/18,670.17
  6. Step 6: Final answer
    x = 14,792.82

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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.