Home / 16,223.85-22,389.09-9,513.45

Finding the Fourth Proportional to 16,223.85, 22,389.09 and 9,513.45

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Solution

The fourth proportional to 16,223.85, 22,389.09 and 9,513.45 is: 13,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,223.85 : 22,389.09 = 9,513.45 : x
  2. Step 2: Convert to fraction form
    16,223.85/22,389.09 = 9,513.45/x
  3. Step 3: Cross multiply
    16,223.85x = 22,389.09 × 9,513.45
  4. Step 4: Simplify right side
    16,223.85x = 212,997,488.26
  5. Step 5: Solve for x
    x = 212,997,488.26/16,223.85
  6. Step 6: Final answer
    x = 13,128.66

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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.