Home / 10,291.10-15,461.28-6,600.54

Finding the Fourth Proportional to 10,291.10, 15,461.28 and 6,600.54

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Solution

The fourth proportional to 10,291.10, 15,461.28 and 6,600.54 is: 9,916.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.10 : 15,461.28 = 6,600.54 : x
  2. Step 2: Convert to fraction form
    10,291.10/15,461.28 = 6,600.54/x
  3. Step 3: Cross multiply
    10,291.10x = 15,461.28 × 6,600.54
  4. Step 4: Simplify right side
    10,291.10x = 102,052,768.10
  5. Step 5: Solve for x
    x = 102,052,768.10/10,291.10
  6. Step 6: Final answer
    x = 9,916.60

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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.