Home / 13,862.77-20,781.83-5,095.63

Finding the Fourth Proportional to 13,862.77, 20,781.83 and 5,095.63

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Solution

The fourth proportional to 13,862.77, 20,781.83 and 5,095.63 is: 7,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.77 : 20,781.83 = 5,095.63 : x
  2. Step 2: Convert to fraction form
    13,862.77/20,781.83 = 5,095.63/x
  3. Step 3: Cross multiply
    13,862.77x = 20,781.83 × 5,095.63
  4. Step 4: Simplify right side
    13,862.77x = 105,896,516.40
  5. Step 5: Solve for x
    x = 105,896,516.40/13,862.77
  6. Step 6: Final answer
    x = 7,638.91

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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.