Home / 14,008.69-19,332.08-8,040.21

Finding the Fourth Proportional to 14,008.69, 19,332.08 and 8,040.21

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Solution

The fourth proportional to 14,008.69, 19,332.08 and 8,040.21 is: 11,095.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.69 : 19,332.08 = 8,040.21 : x
  2. Step 2: Convert to fraction form
    14,008.69/19,332.08 = 8,040.21/x
  3. Step 3: Cross multiply
    14,008.69x = 19,332.08 × 8,040.21
  4. Step 4: Simplify right side
    14,008.69x = 155,433,846.08
  5. Step 5: Solve for x
    x = 155,433,846.08/14,008.69
  6. Step 6: Final answer
    x = 11,095.53

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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.