Home / 35,523.14-53,273.70-12,144.14

Finding the Fourth Proportional to 35,523.14, 53,273.70 and 12,144.14

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Solution

The fourth proportional to 35,523.14, 53,273.70 and 12,144.14 is: 18,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,523.14 : 53,273.70 = 12,144.14 : x
  2. Step 2: Convert to fraction form
    35,523.14/53,273.70 = 12,144.14/x
  3. Step 3: Cross multiply
    35,523.14x = 53,273.70 × 12,144.14
  4. Step 4: Simplify right side
    35,523.14x = 646,963,271.12
  5. Step 5: Solve for x
    x = 646,963,271.12/35,523.14
  6. Step 6: Final answer
    x = 18,212.45

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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.