Home / 14,982.98-22,363.35-12,972.68

Finding the Fourth Proportional to 14,982.98, 22,363.35 and 12,972.68

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Solution

The fourth proportional to 14,982.98, 22,363.35 and 12,972.68 is: 19,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.98 : 22,363.35 = 12,972.68 : x
  2. Step 2: Convert to fraction form
    14,982.98/22,363.35 = 12,972.68/x
  3. Step 3: Cross multiply
    14,982.98x = 22,363.35 × 12,972.68
  4. Step 4: Simplify right side
    14,982.98x = 290,112,660.79
  5. Step 5: Solve for x
    x = 290,112,660.79/14,982.98
  6. Step 6: Final answer
    x = 19,362.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.