Home / 13,876.52-20,802.04-5,104.76

Finding the Fourth Proportional to 13,876.52, 20,802.04 and 5,104.76

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Solution

The fourth proportional to 13,876.52, 20,802.04 and 5,104.76 is: 7,652.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.52 : 20,802.04 = 5,104.76 : x
  2. Step 2: Convert to fraction form
    13,876.52/20,802.04 = 5,104.76/x
  3. Step 3: Cross multiply
    13,876.52x = 20,802.04 × 5,104.76
  4. Step 4: Simplify right side
    13,876.52x = 106,189,421.71
  5. Step 5: Solve for x
    x = 106,189,421.71/13,876.52
  6. Step 6: Final answer
    x = 7,652.45

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1.5x scale

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.