Home / 14,647.86-21,971.10-4,785.84

Finding the Fourth Proportional to 14,647.86, 21,971.10 and 4,785.84

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Solution

The fourth proportional to 14,647.86, 21,971.10 and 4,785.84 is: 7,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.86 : 21,971.10 = 4,785.84 : x
  2. Step 2: Convert to fraction form
    14,647.86/21,971.10 = 4,785.84/x
  3. Step 3: Cross multiply
    14,647.86x = 21,971.10 × 4,785.84
  4. Step 4: Simplify right side
    14,647.86x = 105,150,169.22
  5. Step 5: Solve for x
    x = 105,150,169.22/14,647.86
  6. Step 6: Final answer
    x = 7,178.53

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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.