Home / 14,904.32-20,567.91-8,190.23

Finding the Fourth Proportional to 14,904.32, 20,567.91 and 8,190.23

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Solution

The fourth proportional to 14,904.32, 20,567.91 and 8,190.23 is: 11,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.32 : 20,567.91 = 8,190.23 : x
  2. Step 2: Convert to fraction form
    14,904.32/20,567.91 = 8,190.23/x
  3. Step 3: Cross multiply
    14,904.32x = 20,567.91 × 8,190.23
  4. Step 4: Simplify right side
    14,904.32x = 168,455,872.57
  5. Step 5: Solve for x
    x = 168,455,872.57/14,904.32
  6. Step 6: Final answer
    x = 11,302.49

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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.