Home / 18,402.06-25,392.12-10,442.76

Finding the Fourth Proportional to 18,402.06, 25,392.12 and 10,442.76

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Solution

The fourth proportional to 18,402.06, 25,392.12 and 10,442.76 is: 14,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.06 : 25,392.12 = 10,442.76 : x
  2. Step 2: Convert to fraction form
    18,402.06/25,392.12 = 10,442.76/x
  3. Step 3: Cross multiply
    18,402.06x = 25,392.12 × 10,442.76
  4. Step 4: Simplify right side
    18,402.06x = 265,163,815.05
  5. Step 5: Solve for x
    x = 265,163,815.05/18,402.06
  6. Step 6: Final answer
    x = 14,409.46

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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.