Home / 14,587.72-20,131.04-8,300.12

Finding the Fourth Proportional to 14,587.72, 20,131.04 and 8,300.12

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Solution

The fourth proportional to 14,587.72, 20,131.04 and 8,300.12 is: 11,454.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.72 : 20,131.04 = 8,300.12 : x
  2. Step 2: Convert to fraction form
    14,587.72/20,131.04 = 8,300.12/x
  3. Step 3: Cross multiply
    14,587.72x = 20,131.04 × 8,300.12
  4. Step 4: Simplify right side
    14,587.72x = 167,090,047.72
  5. Step 5: Solve for x
    x = 167,090,047.72/14,587.72
  6. Step 6: Final answer
    x = 11,454.16

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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.