Home / 18,740.90-25,862.40-10,674.56

Finding the Fourth Proportional to 18,740.90, 25,862.40 and 10,674.56

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Solution

The fourth proportional to 18,740.90, 25,862.40 and 10,674.56 is: 14,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.90 : 25,862.40 = 10,674.56 : x
  2. Step 2: Convert to fraction form
    18,740.90/25,862.40 = 10,674.56/x
  3. Step 3: Cross multiply
    18,740.90x = 25,862.40 × 10,674.56
  4. Step 4: Simplify right side
    18,740.90x = 276,069,611.23
  5. Step 5: Solve for x
    x = 276,069,611.23/18,740.90
  6. Step 6: Final answer
    x = 14,730.86

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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.