Home / 12,557.01-18,841.64-5,163.69

Finding the Fourth Proportional to 12,557.01, 18,841.64 and 5,163.69

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Solution

The fourth proportional to 12,557.01, 18,841.64 and 5,163.69 is: 7,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.01 : 18,841.64 = 5,163.69 : x
  2. Step 2: Convert to fraction form
    12,557.01/18,841.64 = 5,163.69/x
  3. Step 3: Cross multiply
    12,557.01x = 18,841.64 × 5,163.69
  4. Step 4: Simplify right side
    12,557.01x = 97,292,362.23
  5. Step 5: Solve for x
    x = 97,292,362.23/12,557.01
  6. Step 6: Final answer
    x = 7,748.05

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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.