Home / 14,918.84-20,590.98-11,375.72

Finding the Fourth Proportional to 14,918.84, 20,590.98 and 11,375.72

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Solution

The fourth proportional to 14,918.84, 20,590.98 and 11,375.72 is: 15,700.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.84 : 20,590.98 = 11,375.72 : x
  2. Step 2: Convert to fraction form
    14,918.84/20,590.98 = 11,375.72/x
  3. Step 3: Cross multiply
    14,918.84x = 20,590.98 × 11,375.72
  4. Step 4: Simplify right side
    14,918.84x = 234,237,223.01
  5. Step 5: Solve for x
    x = 234,237,223.01/14,918.84
  6. Step 6: Final answer
    x = 15,700.77

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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.