Home / 14,169.03-21,254.30-4,307.55

Finding the Fourth Proportional to 14,169.03, 21,254.30 and 4,307.55

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Solution

The fourth proportional to 14,169.03, 21,254.30 and 4,307.55 is: 6,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.03 : 21,254.30 = 4,307.55 : x
  2. Step 2: Convert to fraction form
    14,169.03/21,254.30 = 4,307.55/x
  3. Step 3: Cross multiply
    14,169.03x = 21,254.30 × 4,307.55
  4. Step 4: Simplify right side
    14,169.03x = 91,553,959.97
  5. Step 5: Solve for x
    x = 91,553,959.97/14,169.03
  6. Step 6: Final answer
    x = 6,461.55

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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.