Home / 10,435.23-15,652.13-4,889.81

Finding the Fourth Proportional to 10,435.23, 15,652.13 and 4,889.81

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Solution

The fourth proportional to 10,435.23, 15,652.13 and 4,889.81 is: 7,334.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.23 : 15,652.13 = 4,889.81 : x
  2. Step 2: Convert to fraction form
    10,435.23/15,652.13 = 4,889.81/x
  3. Step 3: Cross multiply
    10,435.23x = 15,652.13 × 4,889.81
  4. Step 4: Simplify right side
    10,435.23x = 76,535,956.48
  5. Step 5: Solve for x
    x = 76,535,956.48/10,435.23
  6. Step 6: Final answer
    x = 7,334.38

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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.