Home / 10,913.08-15,062.02-6,436.60

Finding the Fourth Proportional to 10,913.08, 15,062.02 and 6,436.60

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Solution

The fourth proportional to 10,913.08, 15,062.02 and 6,436.60 is: 8,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.08 : 15,062.02 = 6,436.60 : x
  2. Step 2: Convert to fraction form
    10,913.08/15,062.02 = 6,436.60/x
  3. Step 3: Cross multiply
    10,913.08x = 15,062.02 × 6,436.60
  4. Step 4: Simplify right side
    10,913.08x = 96,948,197.93
  5. Step 5: Solve for x
    x = 96,948,197.93/10,913.08
  6. Step 6: Final answer
    x = 8,883.67

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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.