Home / 13,623.63-20,316.22-13,499.06

Finding the Fourth Proportional to 13,623.63, 20,316.22 and 13,499.06

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Solution

The fourth proportional to 13,623.63, 20,316.22 and 13,499.06 is: 20,130.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.63 : 20,316.22 = 13,499.06 : x
  2. Step 2: Convert to fraction form
    13,623.63/20,316.22 = 13,499.06/x
  3. Step 3: Cross multiply
    13,623.63x = 20,316.22 × 13,499.06
  4. Step 4: Simplify right side
    13,623.63x = 274,249,872.75
  5. Step 5: Solve for x
    x = 274,249,872.75/13,623.63
  6. Step 6: Final answer
    x = 20,130.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.