Home / 13,829.19-19,084.19-7,541.57

Finding the Fourth Proportional to 13,829.19, 19,084.19 and 7,541.57

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Solution

The fourth proportional to 13,829.19, 19,084.19 and 7,541.57 is: 10,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.19 : 19,084.19 = 7,541.57 : x
  2. Step 2: Convert to fraction form
    13,829.19/19,084.19 = 7,541.57/x
  3. Step 3: Cross multiply
    13,829.19x = 19,084.19 × 7,541.57
  4. Step 4: Simplify right side
    13,829.19x = 143,924,621.65
  5. Step 5: Solve for x
    x = 143,924,621.65/13,829.19
  6. Step 6: Final answer
    x = 10,407.31

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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.