Home / 17,890.04-26,840.40-8,541.92

Finding the Fourth Proportional to 17,890.04, 26,840.40 and 8,541.92

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Solution

The fourth proportional to 17,890.04, 26,840.40 and 8,541.92 is: 12,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.04 : 26,840.40 = 8,541.92 : x
  2. Step 2: Convert to fraction form
    17,890.04/26,840.40 = 8,541.92/x
  3. Step 3: Cross multiply
    17,890.04x = 26,840.40 × 8,541.92
  4. Step 4: Simplify right side
    17,890.04x = 229,268,549.57
  5. Step 5: Solve for x
    x = 229,268,549.57/17,890.04
  6. Step 6: Final answer
    x = 12,815.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.