Home / 13,637.13-20,446.63-5,317.92

Finding the Fourth Proportional to 13,637.13, 20,446.63 and 5,317.92

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Solution

The fourth proportional to 13,637.13, 20,446.63 and 5,317.92 is: 7,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.13 : 20,446.63 = 5,317.92 : x
  2. Step 2: Convert to fraction form
    13,637.13/20,446.63 = 5,317.92/x
  3. Step 3: Cross multiply
    13,637.13x = 20,446.63 × 5,317.92
  4. Step 4: Simplify right side
    13,637.13x = 108,733,529.31
  5. Step 5: Solve for x
    x = 108,733,529.31/13,637.13
  6. Step 6: Final answer
    x = 7,973.35

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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.