Home / 18,277.37-27,417.02-5,130.76

Finding the Fourth Proportional to 18,277.37, 27,417.02 and 5,130.76

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Solution

The fourth proportional to 18,277.37, 27,417.02 and 5,130.76 is: 7,696.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.37 : 27,417.02 = 5,130.76 : x
  2. Step 2: Convert to fraction form
    18,277.37/27,417.02 = 5,130.76/x
  3. Step 3: Cross multiply
    18,277.37x = 27,417.02 × 5,130.76
  4. Step 4: Simplify right side
    18,277.37x = 140,670,149.54
  5. Step 5: Solve for x
    x = 140,670,149.54/18,277.37
  6. Step 6: Final answer
    x = 7,696.41

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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.