Home / 14,011.18-21,018.87-5,004.61

Finding the Fourth Proportional to 14,011.18, 21,018.87 and 5,004.61

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Solution

The fourth proportional to 14,011.18, 21,018.87 and 5,004.61 is: 7,507.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.18 : 21,018.87 = 5,004.61 : x
  2. Step 2: Convert to fraction form
    14,011.18/21,018.87 = 5,004.61/x
  3. Step 3: Cross multiply
    14,011.18x = 21,018.87 × 5,004.61
  4. Step 4: Simplify right side
    14,011.18x = 105,191,194.44
  5. Step 5: Solve for x
    x = 105,191,194.44/14,011.18
  6. Step 6: Final answer
    x = 7,507.66

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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.