Home / 18,422.58-25,426.22-10,870.77

Finding the Fourth Proportional to 18,422.58, 25,426.22 and 10,870.77

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Solution

The fourth proportional to 18,422.58, 25,426.22 and 10,870.77 is: 15,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.58 : 25,426.22 = 10,870.77 : x
  2. Step 2: Convert to fraction form
    18,422.58/25,426.22 = 10,870.77/x
  3. Step 3: Cross multiply
    18,422.58x = 25,426.22 × 10,870.77
  4. Step 4: Simplify right side
    18,422.58x = 276,402,535.24
  5. Step 5: Solve for x
    x = 276,402,535.24/18,422.58
  6. Step 6: Final answer
    x = 15,003.47

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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.