Home / 35,638.12-53,464.38-12,265.48

Finding the Fourth Proportional to 35,638.12, 53,464.38 and 12,265.48

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Solution

The fourth proportional to 35,638.12, 53,464.38 and 12,265.48 is: 18,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638.12 : 53,464.38 = 12,265.48 : x
  2. Step 2: Convert to fraction form
    35,638.12/53,464.38 = 12,265.48/x
  3. Step 3: Cross multiply
    35,638.12x = 53,464.38 × 12,265.48
  4. Step 4: Simplify right side
    35,638.12x = 655,766,283.60
  5. Step 5: Solve for x
    x = 655,766,283.60/35,638.12
  6. Step 6: Final answer
    x = 18,400.70

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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.