Home / 13,637.04-18,814.59-11,114.81

Finding the Fourth Proportional to 13,637.04, 18,814.59 and 11,114.81

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Solution

The fourth proportional to 13,637.04, 18,814.59 and 11,114.81 is: 15,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.04 : 18,814.59 = 11,114.81 : x
  2. Step 2: Convert to fraction form
    13,637.04/18,814.59 = 11,114.81/x
  3. Step 3: Cross multiply
    13,637.04x = 18,814.59 × 11,114.81
  4. Step 4: Simplify right side
    13,637.04x = 209,120,569.56
  5. Step 5: Solve for x
    x = 209,120,569.56/13,637.04
  6. Step 6: Final answer
    x = 15,334.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.