Home / 14,281.79-21,426.19-11,533.37

Finding the Fourth Proportional to 14,281.79, 21,426.19 and 11,533.37

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Solution

The fourth proportional to 14,281.79, 21,426.19 and 11,533.37 is: 17,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.79 : 21,426.19 = 11,533.37 : x
  2. Step 2: Convert to fraction form
    14,281.79/21,426.19 = 11,533.37/x
  3. Step 3: Cross multiply
    14,281.79x = 21,426.19 × 11,533.37
  4. Step 4: Simplify right side
    14,281.79x = 247,116,041.00
  5. Step 5: Solve for x
    x = 247,116,041.00/14,281.79
  6. Step 6: Final answer
    x = 17,302.88

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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.