Home / 11,412.02-15,754.30-7,705.46

Finding the Fourth Proportional to 11,412.02, 15,754.30 and 7,705.46

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Solution

The fourth proportional to 11,412.02, 15,754.30 and 7,705.46 is: 10,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.02 : 15,754.30 = 7,705.46 : x
  2. Step 2: Convert to fraction form
    11,412.02/15,754.30 = 7,705.46/x
  3. Step 3: Cross multiply
    11,412.02x = 15,754.30 × 7,705.46
  4. Step 4: Simplify right side
    11,412.02x = 121,394,128.48
  5. Step 5: Solve for x
    x = 121,394,128.48/11,412.02
  6. Step 6: Final answer
    x = 10,637.39

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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.