Home / 14,169.84-21,256.56-4,307.64

Finding the Fourth Proportional to 14,169.84, 21,256.56 and 4,307.64

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Solution

The fourth proportional to 14,169.84, 21,256.56 and 4,307.64 is: 6,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.84 : 21,256.56 = 4,307.64 : x
  2. Step 2: Convert to fraction form
    14,169.84/21,256.56 = 4,307.64/x
  3. Step 3: Cross multiply
    14,169.84x = 21,256.56 × 4,307.64
  4. Step 4: Simplify right side
    14,169.84x = 91,565,608.12
  5. Step 5: Solve for x
    x = 91,565,608.12/14,169.84
  6. Step 6: Final answer
    x = 6,462.01

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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.