Home / 14,820.79-22,220.70-7,419.94

Finding the Fourth Proportional to 14,820.79, 22,220.70 and 7,419.94

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Solution

The fourth proportional to 14,820.79, 22,220.70 and 7,419.94 is: 11,124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.79 : 22,220.70 = 7,419.94 : x
  2. Step 2: Convert to fraction form
    14,820.79/22,220.70 = 7,419.94/x
  3. Step 3: Cross multiply
    14,820.79x = 22,220.70 × 7,419.94
  4. Step 4: Simplify right side
    14,820.79x = 164,876,260.76
  5. Step 5: Solve for x
    x = 164,876,260.76/14,820.79
  6. Step 6: Final answer
    x = 11,124.66

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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.