Home / 14,184.34-21,289.63-7,169.29

Finding the Fourth Proportional to 14,184.34, 21,289.63 and 7,169.29

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Solution

The fourth proportional to 14,184.34, 21,289.63 and 7,169.29 is: 10,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.34 : 21,289.63 = 7,169.29 : x
  2. Step 2: Convert to fraction form
    14,184.34/21,289.63 = 7,169.29/x
  3. Step 3: Cross multiply
    14,184.34x = 21,289.63 × 7,169.29
  4. Step 4: Simplify right side
    14,184.34x = 152,631,531.46
  5. Step 5: Solve for x
    x = 152,631,531.46/14,184.34
  6. Step 6: Final answer
    x = 10,760.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.