Home / 14,484.26-19,981.32-8,515.64

Finding the Fourth Proportional to 14,484.26, 19,981.32 and 8,515.64

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Solution

The fourth proportional to 14,484.26, 19,981.32 and 8,515.64 is: 11,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.26 : 19,981.32 = 8,515.64 : x
  2. Step 2: Convert to fraction form
    14,484.26/19,981.32 = 8,515.64/x
  3. Step 3: Cross multiply
    14,484.26x = 19,981.32 × 8,515.64
  4. Step 4: Simplify right side
    14,484.26x = 170,153,727.84
  5. Step 5: Solve for x
    x = 170,153,727.84/14,484.26
  6. Step 6: Final answer
    x = 11,747.49

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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.