Home / 14,389.62-19,860.74-9,671.16

Finding the Fourth Proportional to 14,389.62, 19,860.74 and 9,671.16

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Solution

The fourth proportional to 14,389.62, 19,860.74 and 9,671.16 is: 13,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.62 : 19,860.74 = 9,671.16 : x
  2. Step 2: Convert to fraction form
    14,389.62/19,860.74 = 9,671.16/x
  3. Step 3: Cross multiply
    14,389.62x = 19,860.74 × 9,671.16
  4. Step 4: Simplify right side
    14,389.62x = 192,076,511.05
  5. Step 5: Solve for x
    x = 192,076,511.05/14,389.62
  6. Step 6: Final answer
    x = 13,348.27

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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.