Home / 14,360.45-19,817.16-7,987.01

Finding the Fourth Proportional to 14,360.45, 19,817.16 and 7,987.01

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Solution

The fourth proportional to 14,360.45, 19,817.16 and 7,987.01 is: 11,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,360.45 : 19,817.16 = 7,987.01 : x
  2. Step 2: Convert to fraction form
    14,360.45/19,817.16 = 7,987.01/x
  3. Step 3: Cross multiply
    14,360.45x = 19,817.16 × 7,987.01
  4. Step 4: Simplify right side
    14,360.45x = 158,279,855.09
  5. Step 5: Solve for x
    x = 158,279,855.09/14,360.45
  6. Step 6: Final answer
    x = 11,021.93

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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.