Home / 14,047.77-21,065.80-5,722.12

Finding the Fourth Proportional to 14,047.77, 21,065.80 and 5,722.12

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Solution

The fourth proportional to 14,047.77, 21,065.80 and 5,722.12 is: 8,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.77 : 21,065.80 = 5,722.12 : x
  2. Step 2: Convert to fraction form
    14,047.77/21,065.80 = 5,722.12/x
  3. Step 3: Cross multiply
    14,047.77x = 21,065.80 × 5,722.12
  4. Step 4: Simplify right side
    14,047.77x = 120,541,035.50
  5. Step 5: Solve for x
    x = 120,541,035.50/14,047.77
  6. Step 6: Final answer
    x = 8,580.80

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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.