Home / 14,090.00-21,136.40-5,207.66

Finding the Fourth Proportional to 14,090.00, 21,136.40 and 5,207.66

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Solution

The fourth proportional to 14,090.00, 21,136.40 and 5,207.66 is: 7,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.00 : 21,136.40 = 5,207.66 : x
  2. Step 2: Convert to fraction form
    14,090.00/21,136.40 = 5,207.66/x
  3. Step 3: Cross multiply
    14,090.00x = 21,136.40 × 5,207.66
  4. Step 4: Simplify right side
    14,090.00x = 110,071,184.82
  5. Step 5: Solve for x
    x = 110,071,184.82/14,090.00
  6. Step 6: Final answer
    x = 7,812.01

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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.