Home / 13,298.71-19,962.65-5,512.99

Finding the Fourth Proportional to 13,298.71, 19,962.65 and 5,512.99

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Solution

The fourth proportional to 13,298.71, 19,962.65 and 5,512.99 is: 8,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.71 : 19,962.65 = 5,512.99 : x
  2. Step 2: Convert to fraction form
    13,298.71/19,962.65 = 5,512.99/x
  3. Step 3: Cross multiply
    13,298.71x = 19,962.65 × 5,512.99
  4. Step 4: Simplify right side
    13,298.71x = 110,053,889.82
  5. Step 5: Solve for x
    x = 110,053,889.82/13,298.71
  6. Step 6: Final answer
    x = 8,275.53

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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.