Home / 14,461.64-21,693.42-5,581.20

Finding the Fourth Proportional to 14,461.64, 21,693.42 and 5,581.20

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Solution

The fourth proportional to 14,461.64, 21,693.42 and 5,581.20 is: 8,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461.64 : 21,693.42 = 5,581.20 : x
  2. Step 2: Convert to fraction form
    14,461.64/21,693.42 = 5,581.20/x
  3. Step 3: Cross multiply
    14,461.64x = 21,693.42 × 5,581.20
  4. Step 4: Simplify right side
    14,461.64x = 121,075,397.05
  5. Step 5: Solve for x
    x = 121,075,397.05/14,461.64
  6. Step 6: Final answer
    x = 8,372.18

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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.