Home / 12,575.02-17,361.65-7,800.04

Finding the Fourth Proportional to 12,575.02, 17,361.65 and 7,800.04

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Solution

The fourth proportional to 12,575.02, 17,361.65 and 7,800.04 is: 10,769.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575.02 : 17,361.65 = 7,800.04 : x
  2. Step 2: Convert to fraction form
    12,575.02/17,361.65 = 7,800.04/x
  3. Step 3: Cross multiply
    12,575.02x = 17,361.65 × 7,800.04
  4. Step 4: Simplify right side
    12,575.02x = 135,421,564.47
  5. Step 5: Solve for x
    x = 135,421,564.47/12,575.02
  6. Step 6: Final answer
    x = 10,769.09

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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.