Home / 10,113.60-13,957.24-5,637.38

Finding the Fourth Proportional to 10,113.60, 13,957.24 and 5,637.38

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Solution

The fourth proportional to 10,113.60, 13,957.24 and 5,637.38 is: 7,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.60 : 13,957.24 = 5,637.38 : x
  2. Step 2: Convert to fraction form
    10,113.60/13,957.24 = 5,637.38/x
  3. Step 3: Cross multiply
    10,113.60x = 13,957.24 × 5,637.38
  4. Step 4: Simplify right side
    10,113.60x = 78,682,265.63
  5. Step 5: Solve for x
    x = 78,682,265.63/10,113.60
  6. Step 6: Final answer
    x = 7,779.85

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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.