Home / 18,430.04-25,433.46-10,876.38

Finding the Fourth Proportional to 18,430.04, 25,433.46 and 10,876.38

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Solution

The fourth proportional to 18,430.04, 25,433.46 and 10,876.38 is: 15,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.04 : 25,433.46 = 10,876.38 : x
  2. Step 2: Convert to fraction form
    18,430.04/25,433.46 = 10,876.38/x
  3. Step 3: Cross multiply
    18,430.04x = 25,433.46 × 10,876.38
  4. Step 4: Simplify right side
    18,430.04x = 276,623,975.67
  5. Step 5: Solve for x
    x = 276,623,975.67/18,430.04
  6. Step 6: Final answer
    x = 15,009.41

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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.