Home / 12,553.69-17,323.51-6,888.31

Finding the Fourth Proportional to 12,553.69, 17,323.51 and 6,888.31

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Solution

The fourth proportional to 12,553.69, 17,323.51 and 6,888.31 is: 9,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.69 : 17,323.51 = 6,888.31 : x
  2. Step 2: Convert to fraction form
    12,553.69/17,323.51 = 6,888.31/x
  3. Step 3: Cross multiply
    12,553.69x = 17,323.51 × 6,888.31
  4. Step 4: Simplify right side
    12,553.69x = 119,329,707.17
  5. Step 5: Solve for x
    x = 119,329,707.17/12,553.69
  6. Step 6: Final answer
    x = 9,505.55

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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.