Home / 14,303-21,457.20-10,144.28

Finding the Fourth Proportional to 14,303, 21,457.20 and 10,144.28

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Solution

The fourth proportional to 14,303, 21,457.20 and 10,144.28 is: 15,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303 : 21,457.20 = 10,144.28 : x
  2. Step 2: Convert to fraction form
    14,303/21,457.20 = 10,144.28/x
  3. Step 3: Cross multiply
    14,303x = 21,457.20 × 10,144.28
  4. Step 4: Simplify right side
    14,303x = 217,667,844.82
  5. Step 5: Solve for x
    x = 217,667,844.82/14,303
  6. Step 6: Final answer
    x = 15,218.33

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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.