Home / 20,068.47-27,699.03-12,513.33

Finding the Fourth Proportional to 20,068.47, 27,699.03 and 12,513.33

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Solution

The fourth proportional to 20,068.47, 27,699.03 and 12,513.33 is: 17,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.47 : 27,699.03 = 12,513.33 : x
  2. Step 2: Convert to fraction form
    20,068.47/27,699.03 = 12,513.33/x
  3. Step 3: Cross multiply
    20,068.47x = 27,699.03 × 12,513.33
  4. Step 4: Simplify right side
    20,068.47x = 346,607,103.07
  5. Step 5: Solve for x
    x = 346,607,103.07/20,068.47
  6. Step 6: Final answer
    x = 17,271.23

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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.