Home / 14,313.60-21,465.12-4,951.20

Finding the Fourth Proportional to 14,313.60, 21,465.12 and 4,951.20

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Solution

The fourth proportional to 14,313.60, 21,465.12 and 4,951.20 is: 7,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.60 : 21,465.12 = 4,951.20 : x
  2. Step 2: Convert to fraction form
    14,313.60/21,465.12 = 4,951.20/x
  3. Step 3: Cross multiply
    14,313.60x = 21,465.12 × 4,951.20
  4. Step 4: Simplify right side
    14,313.60x = 106,278,102.14
  5. Step 5: Solve for x
    x = 106,278,102.14/14,313.60
  6. Step 6: Final answer
    x = 7,424.97

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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.