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Finding the Fourth Proportional to 9,572.88, 14,265.36 and 9,259.68

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Solution

The fourth proportional to 9,572.88, 14,265.36 and 9,259.68 is: 13,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,572.88 : 14,265.36 = 9,259.68 : x
  2. Step 2: Convert to fraction form
    9,572.88/14,265.36 = 9,259.68/x
  3. Step 3: Cross multiply
    9,572.88x = 14,265.36 × 9,259.68
  4. Step 4: Simplify right side
    9,572.88x = 132,092,668.68
  5. Step 5: Solve for x
    x = 132,092,668.68/9,572.88
  6. Step 6: Final answer
    x = 13,798.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.