Home / 14,768.69-20,381.18-8,054.28

Finding the Fourth Proportional to 14,768.69, 20,381.18 and 8,054.28

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Solution

The fourth proportional to 14,768.69, 20,381.18 and 8,054.28 is: 11,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.69 : 20,381.18 = 8,054.28 : x
  2. Step 2: Convert to fraction form
    14,768.69/20,381.18 = 8,054.28/x
  3. Step 3: Cross multiply
    14,768.69x = 20,381.18 × 8,054.28
  4. Step 4: Simplify right side
    14,768.69x = 164,155,690.18
  5. Step 5: Solve for x
    x = 164,155,690.18/14,768.69
  6. Step 6: Final answer
    x = 11,115.12

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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.