Home / 14,271.60-21,405.12-3,741.84

Finding the Fourth Proportional to 14,271.60, 21,405.12 and 3,741.84

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Solution

The fourth proportional to 14,271.60, 21,405.12 and 3,741.84 is: 5,612.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.60 : 21,405.12 = 3,741.84 : x
  2. Step 2: Convert to fraction form
    14,271.60/21,405.12 = 3,741.84/x
  3. Step 3: Cross multiply
    14,271.60x = 21,405.12 × 3,741.84
  4. Step 4: Simplify right side
    14,271.60x = 80,094,534.22
  5. Step 5: Solve for x
    x = 80,094,534.22/14,271.60
  6. Step 6: Final answer
    x = 5,612.16

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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.