Home / 14,421.69-19,901.88-8,134.07

Finding the Fourth Proportional to 14,421.69, 19,901.88 and 8,134.07

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Solution

The fourth proportional to 14,421.69, 19,901.88 and 8,134.07 is: 11,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.69 : 19,901.88 = 8,134.07 : x
  2. Step 2: Convert to fraction form
    14,421.69/19,901.88 = 8,134.07/x
  3. Step 3: Cross multiply
    14,421.69x = 19,901.88 × 8,134.07
  4. Step 4: Simplify right side
    14,421.69x = 161,883,185.54
  5. Step 5: Solve for x
    x = 161,883,185.54/14,421.69
  6. Step 6: Final answer
    x = 11,224.98

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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.