Home / 9,531.80-13,154.10-5,553.08

Finding the Fourth Proportional to 9,531.80, 13,154.10 and 5,553.08

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Solution

The fourth proportional to 9,531.80, 13,154.10 and 5,553.08 is: 7,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.80 : 13,154.10 = 5,553.08 : x
  2. Step 2: Convert to fraction form
    9,531.80/13,154.10 = 5,553.08/x
  3. Step 3: Cross multiply
    9,531.80x = 13,154.10 × 5,553.08
  4. Step 4: Simplify right side
    9,531.80x = 73,045,769.63
  5. Step 5: Solve for x
    x = 73,045,769.63/9,531.80
  6. Step 6: Final answer
    x = 7,663.38

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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.