Home / 14,904.03-20,567.55-8,190.09

Finding the Fourth Proportional to 14,904.03, 20,567.55 and 8,190.09

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Solution

The fourth proportional to 14,904.03, 20,567.55 and 8,190.09 is: 11,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.03 : 20,567.55 = 8,190.09 : x
  2. Step 2: Convert to fraction form
    14,904.03/20,567.55 = 8,190.09/x
  3. Step 3: Cross multiply
    14,904.03x = 20,567.55 × 8,190.09
  4. Step 4: Simplify right side
    14,904.03x = 168,450,034.16
  5. Step 5: Solve for x
    x = 168,450,034.16/14,904.03
  6. Step 6: Final answer
    x = 11,302.32

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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.