Home / 14,412.69-19,888.61-8,040.22

Finding the Fourth Proportional to 14,412.69, 19,888.61 and 8,040.22

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Solution

The fourth proportional to 14,412.69, 19,888.61 and 8,040.22 is: 11,094.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.69 : 19,888.61 = 8,040.22 : x
  2. Step 2: Convert to fraction form
    14,412.69/19,888.61 = 8,040.22/x
  3. Step 3: Cross multiply
    14,412.69x = 19,888.61 × 8,040.22
  4. Step 4: Simplify right side
    14,412.69x = 159,908,709.97
  5. Step 5: Solve for x
    x = 159,908,709.97/14,412.69
  6. Step 6: Final answer
    x = 11,094.99

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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.