Home / 14,320.06-21,461.54-7,994.77

Finding the Fourth Proportional to 14,320.06, 21,461.54 and 7,994.77

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Solution

The fourth proportional to 14,320.06, 21,461.54 and 7,994.77 is: 11,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.06 : 21,461.54 = 7,994.77 : x
  2. Step 2: Convert to fraction form
    14,320.06/21,461.54 = 7,994.77/x
  3. Step 3: Cross multiply
    14,320.06x = 21,461.54 × 7,994.77
  4. Step 4: Simplify right side
    14,320.06x = 171,579,982.52
  5. Step 5: Solve for x
    x = 171,579,982.52/14,320.06
  6. Step 6: Final answer
    x = 11,981.79

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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.