Home / 14,043.31-21,065.06-3,513.51

Finding the Fourth Proportional to 14,043.31, 21,065.06 and 3,513.51

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Solution

The fourth proportional to 14,043.31, 21,065.06 and 3,513.51 is: 5,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.31 : 21,065.06 = 3,513.51 : x
  2. Step 2: Convert to fraction form
    14,043.31/21,065.06 = 3,513.51/x
  3. Step 3: Cross multiply
    14,043.31x = 21,065.06 × 3,513.51
  4. Step 4: Simplify right side
    14,043.31x = 74,012,307.74
  5. Step 5: Solve for x
    x = 74,012,307.74/14,043.31
  6. Step 6: Final answer
    x = 5,270.29

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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.