Home / 13,703.69-20,557.68-5,806.22

Finding the Fourth Proportional to 13,703.69, 20,557.68 and 5,806.22

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Solution

The fourth proportional to 13,703.69, 20,557.68 and 5,806.22 is: 8,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.69 : 20,557.68 = 5,806.22 : x
  2. Step 2: Convert to fraction form
    13,703.69/20,557.68 = 5,806.22/x
  3. Step 3: Cross multiply
    13,703.69x = 20,557.68 × 5,806.22
  4. Step 4: Simplify right side
    13,703.69x = 119,362,412.77
  5. Step 5: Solve for x
    x = 119,362,412.77/13,703.69
  6. Step 6: Final answer
    x = 8,710.24

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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.