Home / 18,427.79-25,430.44-10,470.46

Finding the Fourth Proportional to 18,427.79, 25,430.44 and 10,470.46

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Solution

The fourth proportional to 18,427.79, 25,430.44 and 10,470.46 is: 14,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.79 : 25,430.44 = 10,470.46 : x
  2. Step 2: Convert to fraction form
    18,427.79/25,430.44 = 10,470.46/x
  3. Step 3: Cross multiply
    18,427.79x = 25,430.44 × 10,470.46
  4. Step 4: Simplify right side
    18,427.79x = 266,268,404.80
  5. Step 5: Solve for x
    x = 266,268,404.80/18,427.79
  6. Step 6: Final answer
    x = 14,449.29

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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.