Home / 14,223.66-19,622.40-13,564.86

Finding the Fourth Proportional to 14,223.66, 19,622.40 and 13,564.86

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Solution

The fourth proportional to 14,223.66, 19,622.40 and 13,564.86 is: 18,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.66 : 19,622.40 = 13,564.86 : x
  2. Step 2: Convert to fraction form
    14,223.66/19,622.40 = 13,564.86/x
  3. Step 3: Cross multiply
    14,223.66x = 19,622.40 × 13,564.86
  4. Step 4: Simplify right side
    14,223.66x = 266,175,108.86
  5. Step 5: Solve for x
    x = 266,175,108.86/14,223.66
  6. Step 6: Final answer
    x = 18,713.55

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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.