Home / 19,303.43-26,636.78-10,805.00

Finding the Fourth Proportional to 19,303.43, 26,636.78 and 10,805.00

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Solution

The fourth proportional to 19,303.43, 26,636.78 and 10,805.00 is: 14,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.43 : 26,636.78 = 10,805.00 : x
  2. Step 2: Convert to fraction form
    19,303.43/26,636.78 = 10,805.00/x
  3. Step 3: Cross multiply
    19,303.43x = 26,636.78 × 10,805.00
  4. Step 4: Simplify right side
    19,303.43x = 287,810,301.73
  5. Step 5: Solve for x
    x = 287,810,301.73/19,303.43
  6. Step 6: Final answer
    x = 14,909.80

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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.