Home / 14,025.47-21,038.01-8,111.25

Finding the Fourth Proportional to 14,025.47, 21,038.01 and 8,111.25

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Solution

The fourth proportional to 14,025.47, 21,038.01 and 8,111.25 is: 12,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.47 : 21,038.01 = 8,111.25 : x
  2. Step 2: Convert to fraction form
    14,025.47/21,038.01 = 8,111.25/x
  3. Step 3: Cross multiply
    14,025.47x = 21,038.01 × 8,111.25
  4. Step 4: Simplify right side
    14,025.47x = 170,644,558.61
  5. Step 5: Solve for x
    x = 170,644,558.61/14,025.47
  6. Step 6: Final answer
    x = 12,166.77

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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.