Home / 13,045.12-19,570.66-5,650.81

Finding the Fourth Proportional to 13,045.12, 19,570.66 and 5,650.81

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Solution

The fourth proportional to 13,045.12, 19,570.66 and 5,650.81 is: 8,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.12 : 19,570.66 = 5,650.81 : x
  2. Step 2: Convert to fraction form
    13,045.12/19,570.66 = 5,650.81/x
  3. Step 3: Cross multiply
    13,045.12x = 19,570.66 × 5,650.81
  4. Step 4: Simplify right side
    13,045.12x = 110,590,039.37
  5. Step 5: Solve for x
    x = 110,590,039.37/13,045.12
  6. Step 6: Final answer
    x = 8,477.50

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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.