Home / 20,429.36-30,637.56-6,575.12

Finding the Fourth Proportional to 20,429.36, 30,637.56 and 6,575.12

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Solution

The fourth proportional to 20,429.36, 30,637.56 and 6,575.12 is: 9,860.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,429.36 : 30,637.56 = 6,575.12 : x
  2. Step 2: Convert to fraction form
    20,429.36/30,637.56 = 6,575.12/x
  3. Step 3: Cross multiply
    20,429.36x = 30,637.56 × 6,575.12
  4. Step 4: Simplify right side
    20,429.36x = 201,445,633.51
  5. Step 5: Solve for x
    x = 201,445,633.51/20,429.36
  6. Step 6: Final answer
    x = 9,860.59

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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.