Home / 13,984.64-19,298.40-7,696.88

Finding the Fourth Proportional to 13,984.64, 19,298.40 and 7,696.88

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Solution

The fourth proportional to 13,984.64, 19,298.40 and 7,696.88 is: 10,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.64 : 19,298.40 = 7,696.88 : x
  2. Step 2: Convert to fraction form
    13,984.64/19,298.40 = 7,696.88/x
  3. Step 3: Cross multiply
    13,984.64x = 19,298.40 × 7,696.88
  4. Step 4: Simplify right side
    13,984.64x = 148,537,468.99
  5. Step 5: Solve for x
    x = 148,537,468.99/13,984.64
  6. Step 6: Final answer
    x = 10,621.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.