Home / 10,300.65-14,202.36-8,704.41

Finding the Fourth Proportional to 10,300.65, 14,202.36 and 8,704.41

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Solution

The fourth proportional to 10,300.65, 14,202.36 and 8,704.41 is: 12,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.65 : 14,202.36 = 8,704.41 : x
  2. Step 2: Convert to fraction form
    10,300.65/14,202.36 = 8,704.41/x
  3. Step 3: Cross multiply
    10,300.65x = 14,202.36 × 8,704.41
  4. Step 4: Simplify right side
    10,300.65x = 123,623,164.41
  5. Step 5: Solve for x
    x = 123,623,164.41/10,300.65
  6. Step 6: Final answer
    x = 12,001.49

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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.