Home / 15,159.51-22,741.74-5,165.15

Finding the Fourth Proportional to 15,159.51, 22,741.74 and 5,165.15

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Solution

The fourth proportional to 15,159.51, 22,741.74 and 5,165.15 is: 7,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159.51 : 22,741.74 = 5,165.15 : x
  2. Step 2: Convert to fraction form
    15,159.51/22,741.74 = 5,165.15/x
  3. Step 3: Cross multiply
    15,159.51x = 22,741.74 × 5,165.15
  4. Step 4: Simplify right side
    15,159.51x = 117,464,384.65
  5. Step 5: Solve for x
    x = 117,464,384.65/15,159.51
  6. Step 6: Final answer
    x = 7,748.56

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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.