Home / 14,307.70-21,460.11-3,920.98

Finding the Fourth Proportional to 14,307.70, 21,460.11 and 3,920.98

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Solution

The fourth proportional to 14,307.70, 21,460.11 and 3,920.98 is: 5,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.70 : 21,460.11 = 3,920.98 : x
  2. Step 2: Convert to fraction form
    14,307.70/21,460.11 = 3,920.98/x
  3. Step 3: Cross multiply
    14,307.70x = 21,460.11 × 3,920.98
  4. Step 4: Simplify right side
    14,307.70x = 84,144,662.11
  5. Step 5: Solve for x
    x = 84,144,662.11/14,307.70
  6. Step 6: Final answer
    x = 5,881.08

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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.