Home / 14,329.47-19,776.65-8,042.25

Finding the Fourth Proportional to 14,329.47, 19,776.65 and 8,042.25

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Solution

The fourth proportional to 14,329.47, 19,776.65 and 8,042.25 is: 11,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.47 : 19,776.65 = 8,042.25 : x
  2. Step 2: Convert to fraction form
    14,329.47/19,776.65 = 8,042.25/x
  3. Step 3: Cross multiply
    14,329.47x = 19,776.65 × 8,042.25
  4. Step 4: Simplify right side
    14,329.47x = 159,048,723.25
  5. Step 5: Solve for x
    x = 159,048,723.25/14,329.47
  6. Step 6: Final answer
    x = 11,099.41

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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.