Home / 10,638.74-14,677.49-10,622.33

Finding the Fourth Proportional to 10,638.74, 14,677.49 and 10,622.33

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Solution

The fourth proportional to 10,638.74, 14,677.49 and 10,622.33 is: 14,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.74 : 14,677.49 = 10,622.33 : x
  2. Step 2: Convert to fraction form
    10,638.74/14,677.49 = 10,622.33/x
  3. Step 3: Cross multiply
    10,638.74x = 14,677.49 × 10,622.33
  4. Step 4: Simplify right side
    10,638.74x = 155,909,089.24
  5. Step 5: Solve for x
    x = 155,909,089.24/10,638.74
  6. Step 6: Final answer
    x = 14,654.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.