Home / 21,284.04-29,369.40-12,208.93

Finding the Fourth Proportional to 21,284.04, 29,369.40 and 12,208.93

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Solution

The fourth proportional to 21,284.04, 29,369.40 and 12,208.93 is: 16,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284.04 : 29,369.40 = 12,208.93 : x
  2. Step 2: Convert to fraction form
    21,284.04/29,369.40 = 12,208.93/x
  3. Step 3: Cross multiply
    21,284.04x = 29,369.40 × 12,208.93
  4. Step 4: Simplify right side
    21,284.04x = 358,568,875.32
  5. Step 5: Solve for x
    x = 358,568,875.32/21,284.04
  6. Step 6: Final answer
    x = 16,846.84

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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.