Home / 14,002.06-21,006.85-5,687.86

Finding the Fourth Proportional to 14,002.06, 21,006.85 and 5,687.86

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Solution

The fourth proportional to 14,002.06, 21,006.85 and 5,687.86 is: 8,533.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.06 : 21,006.85 = 5,687.86 : x
  2. Step 2: Convert to fraction form
    14,002.06/21,006.85 = 5,687.86/x
  3. Step 3: Cross multiply
    14,002.06x = 21,006.85 × 5,687.86
  4. Step 4: Simplify right side
    14,002.06x = 119,484,021.84
  5. Step 5: Solve for x
    x = 119,484,021.84/14,002.06
  6. Step 6: Final answer
    x = 8,533.32

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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.