Home / 13,584.78-18,746.76-7,534.98

Finding the Fourth Proportional to 13,584.78, 18,746.76 and 7,534.98

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Solution

The fourth proportional to 13,584.78, 18,746.76 and 7,534.98 is: 10,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.78 : 18,746.76 = 7,534.98 : x
  2. Step 2: Convert to fraction form
    13,584.78/18,746.76 = 7,534.98/x
  3. Step 3: Cross multiply
    13,584.78x = 18,746.76 × 7,534.98
  4. Step 4: Simplify right side
    13,584.78x = 141,256,461.66
  5. Step 5: Solve for x
    x = 141,256,461.66/13,584.78
  6. Step 6: Final answer
    x = 10,398.14

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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.