Home / 21,448.58-32,175.96-6,658.68

Finding the Fourth Proportional to 21,448.58, 32,175.96 and 6,658.68

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Solution

The fourth proportional to 21,448.58, 32,175.96 and 6,658.68 is: 9,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.58 : 32,175.96 = 6,658.68 : x
  2. Step 2: Convert to fraction form
    21,448.58/32,175.96 = 6,658.68/x
  3. Step 3: Cross multiply
    21,448.58x = 32,175.96 × 6,658.68
  4. Step 4: Simplify right side
    21,448.58x = 214,249,421.33
  5. Step 5: Solve for x
    x = 214,249,421.33/21,448.58
  6. Step 6: Final answer
    x = 9,988.98

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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.