Home / 14,289.09-19,719.59-8,001.46

Finding the Fourth Proportional to 14,289.09, 19,719.59 and 8,001.46

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Solution

The fourth proportional to 14,289.09, 19,719.59 and 8,001.46 is: 11,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.09 : 19,719.59 = 8,001.46 : x
  2. Step 2: Convert to fraction form
    14,289.09/19,719.59 = 8,001.46/x
  3. Step 3: Cross multiply
    14,289.09x = 19,719.59 × 8,001.46
  4. Step 4: Simplify right side
    14,289.09x = 157,785,510.60
  5. Step 5: Solve for x
    x = 157,785,510.60/14,289.09
  6. Step 6: Final answer
    x = 11,042.38

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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.