Home / 14,719.09-20,312.52-8,004.89

Finding the Fourth Proportional to 14,719.09, 20,312.52 and 8,004.89

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Solution

The fourth proportional to 14,719.09, 20,312.52 and 8,004.89 is: 11,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.09 : 20,312.52 = 8,004.89 : x
  2. Step 2: Convert to fraction form
    14,719.09/20,312.52 = 8,004.89/x
  3. Step 3: Cross multiply
    14,719.09x = 20,312.52 × 8,004.89
  4. Step 4: Simplify right side
    14,719.09x = 162,599,386.66
  5. Step 5: Solve for x
    x = 162,599,386.66/14,719.09
  6. Step 6: Final answer
    x = 11,046.84

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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.