Home / 12,485.17-18,715.47-5,094.82

Finding the Fourth Proportional to 12,485.17, 18,715.47 and 5,094.82

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Solution

The fourth proportional to 12,485.17, 18,715.47 and 5,094.82 is: 7,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485.17 : 18,715.47 = 5,094.82 : x
  2. Step 2: Convert to fraction form
    12,485.17/18,715.47 = 5,094.82/x
  3. Step 3: Cross multiply
    12,485.17x = 18,715.47 × 5,094.82
  4. Step 4: Simplify right side
    12,485.17x = 95,351,950.87
  5. Step 5: Solve for x
    x = 95,351,950.87/12,485.17
  6. Step 6: Final answer
    x = 7,637.22

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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.