Home / 13,904.04-20,853.54-5,583.72

Finding the Fourth Proportional to 13,904.04, 20,853.54 and 5,583.72

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Solution

The fourth proportional to 13,904.04, 20,853.54 and 5,583.72 is: 8,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.04 : 20,853.54 = 5,583.72 : x
  2. Step 2: Convert to fraction form
    13,904.04/20,853.54 = 5,583.72/x
  3. Step 3: Cross multiply
    13,904.04x = 20,853.54 × 5,583.72
  4. Step 4: Simplify right side
    13,904.04x = 116,440,328.37
  5. Step 5: Solve for x
    x = 116,440,328.37/13,904.04
  6. Step 6: Final answer
    x = 8,374.57

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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.