Home / 10,551.60-14,561.28-5,771.64

Finding the Fourth Proportional to 10,551.60, 14,561.28 and 5,771.64

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Solution

The fourth proportional to 10,551.60, 14,561.28 and 5,771.64 is: 7,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.60 : 14,561.28 = 5,771.64 : x
  2. Step 2: Convert to fraction form
    10,551.60/14,561.28 = 5,771.64/x
  3. Step 3: Cross multiply
    10,551.60x = 14,561.28 × 5,771.64
  4. Step 4: Simplify right side
    10,551.60x = 84,042,466.10
  5. Step 5: Solve for x
    x = 84,042,466.10/10,551.60
  6. Step 6: Final answer
    x = 7,964.90

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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.