Home / 15,181.65-20,907.59-13,041.63

Finding the Fourth Proportional to 15,181.65, 20,907.59 and 13,041.63

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Solution

The fourth proportional to 15,181.65, 20,907.59 and 13,041.63 is: 17,960.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.65 : 20,907.59 = 13,041.63 : x
  2. Step 2: Convert to fraction form
    15,181.65/20,907.59 = 13,041.63/x
  3. Step 3: Cross multiply
    15,181.65x = 20,907.59 × 13,041.63
  4. Step 4: Simplify right side
    15,181.65x = 272,668,987.76
  5. Step 5: Solve for x
    x = 272,668,987.76/15,181.65
  6. Step 6: Final answer
    x = 17,960.43

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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.