Home / 13,786.59-19,015.30-8,746.47

Finding the Fourth Proportional to 13,786.59, 19,015.30 and 8,746.47

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Solution

The fourth proportional to 13,786.59, 19,015.30 and 8,746.47 is: 12,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.59 : 19,015.30 = 8,746.47 : x
  2. Step 2: Convert to fraction form
    13,786.59/19,015.30 = 8,746.47/x
  3. Step 3: Cross multiply
    13,786.59x = 19,015.30 × 8,746.47
  4. Step 4: Simplify right side
    13,786.59x = 166,316,750.99
  5. Step 5: Solve for x
    x = 166,316,750.99/13,786.59
  6. Step 6: Final answer
    x = 12,063.66

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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.