Home / 14,259.06-19,674.36-8,287.65

Finding the Fourth Proportional to 14,259.06, 19,674.36 and 8,287.65

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Solution

The fourth proportional to 14,259.06, 19,674.36 and 8,287.65 is: 11,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.06 : 19,674.36 = 8,287.65 : x
  2. Step 2: Convert to fraction form
    14,259.06/19,674.36 = 8,287.65/x
  3. Step 3: Cross multiply
    14,259.06x = 19,674.36 × 8,287.65
  4. Step 4: Simplify right side
    14,259.06x = 163,054,209.65
  5. Step 5: Solve for x
    x = 163,054,209.65/14,259.06
  6. Step 6: Final answer
    x = 11,435.13

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Double scale
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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.