Home / 14,275.27-21,407.58-4,912.64

Finding the Fourth Proportional to 14,275.27, 21,407.58 and 4,912.64

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Solution

The fourth proportional to 14,275.27, 21,407.58 and 4,912.64 is: 7,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.27 : 21,407.58 = 4,912.64 : x
  2. Step 2: Convert to fraction form
    14,275.27/21,407.58 = 4,912.64/x
  3. Step 3: Cross multiply
    14,275.27x = 21,407.58 × 4,912.64
  4. Step 4: Simplify right side
    14,275.27x = 105,167,733.81
  5. Step 5: Solve for x
    x = 105,167,733.81/14,275.27
  6. Step 6: Final answer
    x = 7,367.13

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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.