Home / 18,402.88-25,394.70-10,445.26

Finding the Fourth Proportional to 18,402.88, 25,394.70 and 10,445.26

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Solution

The fourth proportional to 18,402.88, 25,394.70 and 10,445.26 is: 14,413.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.88 : 25,394.70 = 10,445.26 : x
  2. Step 2: Convert to fraction form
    18,402.88/25,394.70 = 10,445.26/x
  3. Step 3: Cross multiply
    18,402.88x = 25,394.70 × 10,445.26
  4. Step 4: Simplify right side
    18,402.88x = 265,254,244.12
  5. Step 5: Solve for x
    x = 265,254,244.12/18,402.88
  6. Step 6: Final answer
    x = 14,413.74

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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.