Home / 18,372.77-27,559.47-5,225.49

Finding the Fourth Proportional to 18,372.77, 27,559.47 and 5,225.49

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Solution

The fourth proportional to 18,372.77, 27,559.47 and 5,225.49 is: 7,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.77 : 27,559.47 = 5,225.49 : x
  2. Step 2: Convert to fraction form
    18,372.77/27,559.47 = 5,225.49/x
  3. Step 3: Cross multiply
    18,372.77x = 27,559.47 × 5,225.49
  4. Step 4: Simplify right side
    18,372.77x = 144,011,734.89
  5. Step 5: Solve for x
    x = 144,011,734.89/18,372.77
  6. Step 6: Final answer
    x = 7,838.32

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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.