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Finding the Fourth Proportional to 35,603.37, 53,408.09 and 9,308.07

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Solution

The fourth proportional to 35,603.37, 53,408.09 and 9,308.07 is: 13,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.37 : 53,408.09 = 9,308.07 : x
  2. Step 2: Convert to fraction form
    35,603.37/53,408.09 = 9,308.07/x
  3. Step 3: Cross multiply
    35,603.37x = 53,408.09 × 9,308.07
  4. Step 4: Simplify right side
    35,603.37x = 497,126,193.75
  5. Step 5: Solve for x
    x = 497,126,193.75/35,603.37
  6. Step 6: Final answer
    x = 13,962.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.