Home / 14,281.66-21,426-11,533.24

Finding the Fourth Proportional to 14,281.66, 21,426 and 11,533.24

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Solution

The fourth proportional to 14,281.66, 21,426 and 11,533.24 is: 17,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.66 : 21,426 = 11,533.24 : x
  2. Step 2: Convert to fraction form
    14,281.66/21,426 = 11,533.24/x
  3. Step 3: Cross multiply
    14,281.66x = 21,426 × 11,533.24
  4. Step 4: Simplify right side
    14,281.66x = 247,111,200.24
  5. Step 5: Solve for x
    x = 247,111,200.24/14,281.66
  6. Step 6: Final answer
    x = 17,302.69

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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.