Home / 14,346.32-21,479.55-7,311.16

Finding the Fourth Proportional to 14,346.32, 21,479.55 and 7,311.16

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Solution

The fourth proportional to 14,346.32, 21,479.55 and 7,311.16 is: 10,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.32 : 21,479.55 = 7,311.16 : x
  2. Step 2: Convert to fraction form
    14,346.32/21,479.55 = 7,311.16/x
  3. Step 3: Cross multiply
    14,346.32x = 21,479.55 × 7,311.16
  4. Step 4: Simplify right side
    14,346.32x = 157,040,426.78
  5. Step 5: Solve for x
    x = 157,040,426.78/14,346.32
  6. Step 6: Final answer
    x = 10,946.39

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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.