Home / 14,945.95-20,635.34-9,289.14

Finding the Fourth Proportional to 14,945.95, 20,635.34 and 9,289.14

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Solution

The fourth proportional to 14,945.95, 20,635.34 and 9,289.14 is: 12,825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.95 : 20,635.34 = 9,289.14 : x
  2. Step 2: Convert to fraction form
    14,945.95/20,635.34 = 9,289.14/x
  3. Step 3: Cross multiply
    14,945.95x = 20,635.34 × 9,289.14
  4. Step 4: Simplify right side
    14,945.95x = 191,684,562.21
  5. Step 5: Solve for x
    x = 191,684,562.21/14,945.95
  6. Step 6: Final answer
    x = 12,825.18

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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.