Home / 14,502.54-20,014.92-8,130.22

Finding the Fourth Proportional to 14,502.54, 20,014.92 and 8,130.22

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Solution

The fourth proportional to 14,502.54, 20,014.92 and 8,130.22 is: 11,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.54 : 20,014.92 = 8,130.22 : x
  2. Step 2: Convert to fraction form
    14,502.54/20,014.92 = 8,130.22/x
  3. Step 3: Cross multiply
    14,502.54x = 20,014.92 × 8,130.22
  4. Step 4: Simplify right side
    14,502.54x = 162,725,702.88
  5. Step 5: Solve for x
    x = 162,725,702.88/14,502.54
  6. Step 6: Final answer
    x = 11,220.50

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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.