Home / 13,275.43-19,916.60-4,955.51

Finding the Fourth Proportional to 13,275.43, 19,916.60 and 4,955.51

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Solution

The fourth proportional to 13,275.43, 19,916.60 and 4,955.51 is: 7,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.43 : 19,916.60 = 4,955.51 : x
  2. Step 2: Convert to fraction form
    13,275.43/19,916.60 = 4,955.51/x
  3. Step 3: Cross multiply
    13,275.43x = 19,916.60 × 4,955.51
  4. Step 4: Simplify right side
    13,275.43x = 98,696,963.35
  5. Step 5: Solve for x
    x = 98,696,963.35/13,275.43
  6. Step 6: Final answer
    x = 7,434.56

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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.