Home / 10,325.56-15,475.64-4,771.40

Finding the Fourth Proportional to 10,325.56, 15,475.64 and 4,771.40

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Solution

The fourth proportional to 10,325.56, 15,475.64 and 4,771.40 is: 7,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.56 : 15,475.64 = 4,771.40 : x
  2. Step 2: Convert to fraction form
    10,325.56/15,475.64 = 4,771.40/x
  3. Step 3: Cross multiply
    10,325.56x = 15,475.64 × 4,771.40
  4. Step 4: Simplify right side
    10,325.56x = 73,840,468.70
  5. Step 5: Solve for x
    x = 73,840,468.70/10,325.56
  6. Step 6: Final answer
    x = 7,151.23

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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.