Home / 14,391-21,585.51-8,845.20

Finding the Fourth Proportional to 14,391, 21,585.51 and 8,845.20

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Solution

The fourth proportional to 14,391, 21,585.51 and 8,845.20 is: 13,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391 : 21,585.51 = 8,845.20 : x
  2. Step 2: Convert to fraction form
    14,391/21,585.51 = 8,845.20/x
  3. Step 3: Cross multiply
    14,391x = 21,585.51 × 8,845.20
  4. Step 4: Simplify right side
    14,391x = 190,928,153.05
  5. Step 5: Solve for x
    x = 190,928,153.05/14,391
  6. Step 6: Final answer
    x = 13,267.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.