Home / 14,384.95-21,548.68-11,428.39

Finding the Fourth Proportional to 14,384.95, 21,548.68 and 11,428.39

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Solution

The fourth proportional to 14,384.95, 21,548.68 and 11,428.39 is: 17,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,384.95 : 21,548.68 = 11,428.39 : x
  2. Step 2: Convert to fraction form
    14,384.95/21,548.68 = 11,428.39/x
  3. Step 3: Cross multiply
    14,384.95x = 21,548.68 × 11,428.39
  4. Step 4: Simplify right side
    14,384.95x = 246,266,719.03
  5. Step 5: Solve for x
    x = 246,266,719.03/14,384.95
  6. Step 6: Final answer
    x = 17,119.75

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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.