Home / 15,656.64-23,485.75-5,125.73

Finding the Fourth Proportional to 15,656.64, 23,485.75 and 5,125.73

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Solution

The fourth proportional to 15,656.64, 23,485.75 and 5,125.73 is: 7,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.64 : 23,485.75 = 5,125.73 : x
  2. Step 2: Convert to fraction form
    15,656.64/23,485.75 = 5,125.73/x
  3. Step 3: Cross multiply
    15,656.64x = 23,485.75 × 5,125.73
  4. Step 4: Simplify right side
    15,656.64x = 120,381,615.21
  5. Step 5: Solve for x
    x = 120,381,615.21/15,656.64
  6. Step 6: Final answer
    x = 7,688.85

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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.