Home / 14,052.08-21,090.24-7,818.32

Finding the Fourth Proportional to 14,052.08, 21,090.24 and 7,818.32

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Solution

The fourth proportional to 14,052.08, 21,090.24 and 7,818.32 is: 11,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.08 : 21,090.24 = 7,818.32 : x
  2. Step 2: Convert to fraction form
    14,052.08/21,090.24 = 7,818.32/x
  3. Step 3: Cross multiply
    14,052.08x = 21,090.24 × 7,818.32
  4. Step 4: Simplify right side
    14,052.08x = 164,890,245.20
  5. Step 5: Solve for x
    x = 164,890,245.20/14,052.08
  6. Step 6: Final answer
    x = 11,734.22

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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.