Home / 14,541.60-21,812.40-14,455.20

Finding the Fourth Proportional to 14,541.60, 21,812.40 and 14,455.20

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Solution

The fourth proportional to 14,541.60, 21,812.40 and 14,455.20 is: 21,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,541.60 : 21,812.40 = 14,455.20 : x
  2. Step 2: Convert to fraction form
    14,541.60/21,812.40 = 14,455.20/x
  3. Step 3: Cross multiply
    14,541.60x = 21,812.40 × 14,455.20
  4. Step 4: Simplify right side
    14,541.60x = 315,302,604.48
  5. Step 5: Solve for x
    x = 315,302,604.48/14,541.60
  6. Step 6: Final answer
    x = 21,682.80

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1.5x scale

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.