Home / 15,338.90-21,167.32-10,033.60

Finding the Fourth Proportional to 15,338.90, 21,167.32 and 10,033.60

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Solution

The fourth proportional to 15,338.90, 21,167.32 and 10,033.60 is: 13,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338.90 : 21,167.32 = 10,033.60 : x
  2. Step 2: Convert to fraction form
    15,338.90/21,167.32 = 10,033.60/x
  3. Step 3: Cross multiply
    15,338.90x = 21,167.32 × 10,033.60
  4. Step 4: Simplify right side
    15,338.90x = 212,384,421.95
  5. Step 5: Solve for x
    x = 212,384,421.95/15,338.90
  6. Step 6: Final answer
    x = 13,846.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.