Home / 14,295.69-19,729.36-8,329.28

Finding the Fourth Proportional to 14,295.69, 19,729.36 and 8,329.28

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Solution

The fourth proportional to 14,295.69, 19,729.36 and 8,329.28 is: 11,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.69 : 19,729.36 = 8,329.28 : x
  2. Step 2: Convert to fraction form
    14,295.69/19,729.36 = 8,329.28/x
  3. Step 3: Cross multiply
    14,295.69x = 19,729.36 × 8,329.28
  4. Step 4: Simplify right side
    14,295.69x = 164,331,374.69
  5. Step 5: Solve for x
    x = 164,331,374.69/14,295.69
  6. Step 6: Final answer
    x = 11,495.17

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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.