Home / 11,624.28-16,045.02-7,900.44

Finding the Fourth Proportional to 11,624.28, 16,045.02 and 7,900.44

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Solution

The fourth proportional to 11,624.28, 16,045.02 and 7,900.44 is: 10,905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.28 : 16,045.02 = 7,900.44 : x
  2. Step 2: Convert to fraction form
    11,624.28/16,045.02 = 7,900.44/x
  3. Step 3: Cross multiply
    11,624.28x = 16,045.02 × 7,900.44
  4. Step 4: Simplify right side
    11,624.28x = 126,762,717.81
  5. Step 5: Solve for x
    x = 126,762,717.81/11,624.28
  6. Step 6: Final answer
    x = 10,905.00

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1.5x scale

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.