Home / 14,239.79-21,359.04-4,880.64

Finding the Fourth Proportional to 14,239.79, 21,359.04 and 4,880.64

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Solution

The fourth proportional to 14,239.79, 21,359.04 and 4,880.64 is: 7,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.79 : 21,359.04 = 4,880.64 : x
  2. Step 2: Convert to fraction form
    14,239.79/21,359.04 = 4,880.64/x
  3. Step 3: Cross multiply
    14,239.79x = 21,359.04 × 4,880.64
  4. Step 4: Simplify right side
    14,239.79x = 104,245,784.99
  5. Step 5: Solve for x
    x = 104,245,784.99/14,239.79
  6. Step 6: Final answer
    x = 7,320.74

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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.