Home / 14,140.51-21,208.02-4,277.47

Finding the Fourth Proportional to 14,140.51, 21,208.02 and 4,277.47

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Solution

The fourth proportional to 14,140.51, 21,208.02 and 4,277.47 is: 6,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.51 : 21,208.02 = 4,277.47 : x
  2. Step 2: Convert to fraction form
    14,140.51/21,208.02 = 4,277.47/x
  3. Step 3: Cross multiply
    14,140.51x = 21,208.02 × 4,277.47
  4. Step 4: Simplify right side
    14,140.51x = 90,716,669.31
  5. Step 5: Solve for x
    x = 90,716,669.31/14,140.51
  6. Step 6: Final answer
    x = 6,415.37

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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.