Home / 13,030.69-17,975.73-8,553.82

Finding the Fourth Proportional to 13,030.69, 17,975.73 and 8,553.82

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Solution

The fourth proportional to 13,030.69, 17,975.73 and 8,553.82 is: 11,799.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.69 : 17,975.73 = 8,553.82 : x
  2. Step 2: Convert to fraction form
    13,030.69/17,975.73 = 8,553.82/x
  3. Step 3: Cross multiply
    13,030.69x = 17,975.73 × 8,553.82
  4. Step 4: Simplify right side
    13,030.69x = 153,761,158.79
  5. Step 5: Solve for x
    x = 153,761,158.79/13,030.69
  6. Step 6: Final answer
    x = 11,799.92

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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.