Home / 15,657.60-23,427.48-10,986.72

Finding the Fourth Proportional to 15,657.60, 23,427.48 and 10,986.72

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Solution

The fourth proportional to 15,657.60, 23,427.48 and 10,986.72 is: 16,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.60 : 23,427.48 = 10,986.72 : x
  2. Step 2: Convert to fraction form
    15,657.60/23,427.48 = 10,986.72/x
  3. Step 3: Cross multiply
    15,657.60x = 23,427.48 × 10,986.72
  4. Step 4: Simplify right side
    15,657.60x = 257,391,163.07
  5. Step 5: Solve for x
    x = 257,391,163.07/15,657.60
  6. Step 6: Final answer
    x = 16,438.74

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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.