Home / 14,619.40-21,929.10-11,703.40

Finding the Fourth Proportional to 14,619.40, 21,929.10 and 11,703.40

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Solution

The fourth proportional to 14,619.40, 21,929.10 and 11,703.40 is: 17,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.40 : 21,929.10 = 11,703.40 : x
  2. Step 2: Convert to fraction form
    14,619.40/21,929.10 = 11,703.40/x
  3. Step 3: Cross multiply
    14,619.40x = 21,929.10 × 11,703.40
  4. Step 4: Simplify right side
    14,619.40x = 256,645,028.94
  5. Step 5: Solve for x
    x = 256,645,028.94/14,619.40
  6. Step 6: Final answer
    x = 17,555.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.