Home / 15,035.63-20,749.16-8,748

Finding the Fourth Proportional to 15,035.63, 20,749.16 and 8,748

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Solution

The fourth proportional to 15,035.63, 20,749.16 and 8,748 is: 12,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035.63 : 20,749.16 = 8,748 : x
  2. Step 2: Convert to fraction form
    15,035.63/20,749.16 = 8,748/x
  3. Step 3: Cross multiply
    15,035.63x = 20,749.16 × 8,748
  4. Step 4: Simplify right side
    15,035.63x = 181,513,673.55
  5. Step 5: Solve for x
    x = 181,513,673.55/15,035.63
  6. Step 6: Final answer
    x = 12,072.24

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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.