Home / 14,549.07-20,069.28-9,169.40

Finding the Fourth Proportional to 14,549.07, 20,069.28 and 9,169.40

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Solution

The fourth proportional to 14,549.07, 20,069.28 and 9,169.40 is: 12,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.07 : 20,069.28 = 9,169.40 : x
  2. Step 2: Convert to fraction form
    14,549.07/20,069.28 = 9,169.40/x
  3. Step 3: Cross multiply
    14,549.07x = 20,069.28 × 9,169.40
  4. Step 4: Simplify right side
    14,549.07x = 184,023,246.73
  5. Step 5: Solve for x
    x = 184,023,246.73/14,549.07
  6. Step 6: Final answer
    x = 12,648.45

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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.