Home / 15,584.52-21,495.36-9,913.68

Finding the Fourth Proportional to 15,584.52, 21,495.36 and 9,913.68

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Solution

The fourth proportional to 15,584.52, 21,495.36 and 9,913.68 is: 13,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584.52 : 21,495.36 = 9,913.68 : x
  2. Step 2: Convert to fraction form
    15,584.52/21,495.36 = 9,913.68/x
  3. Step 3: Cross multiply
    15,584.52x = 21,495.36 × 9,913.68
  4. Step 4: Simplify right side
    15,584.52x = 213,098,120.52
  5. Step 5: Solve for x
    x = 213,098,120.52/15,584.52
  6. Step 6: Final answer
    x = 13,673.70

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1.5x scale

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.