Home / 10,542.80-14,557.44-6,515.48

Finding the Fourth Proportional to 10,542.80, 14,557.44 and 6,515.48

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Solution

The fourth proportional to 10,542.80, 14,557.44 and 6,515.48 is: 8,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.80 : 14,557.44 = 6,515.48 : x
  2. Step 2: Convert to fraction form
    10,542.80/14,557.44 = 6,515.48/x
  3. Step 3: Cross multiply
    10,542.80x = 14,557.44 × 6,515.48
  4. Step 4: Simplify right side
    10,542.80x = 94,848,636.38
  5. Step 5: Solve for x
    x = 94,848,636.38/10,542.80
  6. Step 6: Final answer
    x = 8,996.54

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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.