Home / 18,828.48-25,984.48-10,872.16

Finding the Fourth Proportional to 18,828.48, 25,984.48 and 10,872.16

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Solution

The fourth proportional to 18,828.48, 25,984.48 and 10,872.16 is: 15,004.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.48 : 25,984.48 = 10,872.16 : x
  2. Step 2: Convert to fraction form
    18,828.48/25,984.48 = 10,872.16/x
  3. Step 3: Cross multiply
    18,828.48x = 25,984.48 × 10,872.16
  4. Step 4: Simplify right side
    18,828.48x = 282,507,424.08
  5. Step 5: Solve for x
    x = 282,507,424.08/18,828.48
  6. Step 6: Final answer
    x = 15,004.26

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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.