Home / 18,383.31-25,374.74-10,430.82

Finding the Fourth Proportional to 18,383.31, 25,374.74 and 10,430.82

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Solution

The fourth proportional to 18,383.31, 25,374.74 and 10,430.82 is: 14,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.31 : 25,374.74 = 10,430.82 : x
  2. Step 2: Convert to fraction form
    18,383.31/25,374.74 = 10,430.82/x
  3. Step 3: Cross multiply
    18,383.31x = 25,374.74 × 10,430.82
  4. Step 4: Simplify right side
    18,383.31x = 264,679,345.49
  5. Step 5: Solve for x
    x = 264,679,345.49/18,383.31
  6. Step 6: Final answer
    x = 14,397.81

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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.