Home / 14,276.27-21,409.08-4,913.64

Finding the Fourth Proportional to 14,276.27, 21,409.08 and 4,913.64

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Solution

The fourth proportional to 14,276.27, 21,409.08 and 4,913.64 is: 7,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.27 : 21,409.08 = 4,913.64 : x
  2. Step 2: Convert to fraction form
    14,276.27/21,409.08 = 4,913.64/x
  3. Step 3: Cross multiply
    14,276.27x = 21,409.08 × 4,913.64
  4. Step 4: Simplify right side
    14,276.27x = 105,196,511.85
  5. Step 5: Solve for x
    x = 105,196,511.85/14,276.27
  6. Step 6: Final answer
    x = 7,368.63

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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.