Home / 14,064.64-21,090.02-4,701.44

Finding the Fourth Proportional to 14,064.64, 21,090.02 and 4,701.44

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Solution

The fourth proportional to 14,064.64, 21,090.02 and 4,701.44 is: 7,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.64 : 21,090.02 = 4,701.44 : x
  2. Step 2: Convert to fraction form
    14,064.64/21,090.02 = 4,701.44/x
  3. Step 3: Cross multiply
    14,064.64x = 21,090.02 × 4,701.44
  4. Step 4: Simplify right side
    14,064.64x = 99,153,463.63
  5. Step 5: Solve for x
    x = 99,153,463.63/14,064.64
  6. Step 6: Final answer
    x = 7,049.84

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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.