Home / 18,647.40-25,733.38-10,263.90

Finding the Fourth Proportional to 18,647.40, 25,733.38 and 10,263.90

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Solution

The fourth proportional to 18,647.40, 25,733.38 and 10,263.90 is: 14,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647.40 : 25,733.38 = 10,263.90 : x
  2. Step 2: Convert to fraction form
    18,647.40/25,733.38 = 10,263.90/x
  3. Step 3: Cross multiply
    18,647.40x = 25,733.38 × 10,263.90
  4. Step 4: Simplify right side
    18,647.40x = 264,124,838.98
  5. Step 5: Solve for x
    x = 264,124,838.98/18,647.40
  6. Step 6: Final answer
    x = 14,164.16

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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.