Home / 18,401.79-25,394.60-10,444.15

Finding the Fourth Proportional to 18,401.79, 25,394.60 and 10,444.15

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Solution

The fourth proportional to 18,401.79, 25,394.60 and 10,444.15 is: 14,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.79 : 25,394.60 = 10,444.15 : x
  2. Step 2: Convert to fraction form
    18,401.79/25,394.60 = 10,444.15/x
  3. Step 3: Cross multiply
    18,401.79x = 25,394.60 × 10,444.15
  4. Step 4: Simplify right side
    18,401.79x = 265,225,010.70
  5. Step 5: Solve for x
    x = 265,225,010.70/18,401.79
  6. Step 6: Final answer
    x = 14,413.00

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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.