Home / 9,639.70-14,463.60-5,260.30

Finding the Fourth Proportional to 9,639.70, 14,463.60 and 5,260.30

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Solution

The fourth proportional to 9,639.70, 14,463.60 and 5,260.30 is: 7,892.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.70 : 14,463.60 = 5,260.30 : x
  2. Step 2: Convert to fraction form
    9,639.70/14,463.60 = 5,260.30/x
  3. Step 3: Cross multiply
    9,639.70x = 14,463.60 × 5,260.30
  4. Step 4: Simplify right side
    9,639.70x = 76,082,875.08
  5. Step 5: Solve for x
    x = 76,082,875.08/9,639.70
  6. Step 6: Final answer
    x = 7,892.66

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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.