Home / 10,785.40-16,181.70-9,624.04

Finding the Fourth Proportional to 10,785.40, 16,181.70 and 9,624.04

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Solution

The fourth proportional to 10,785.40, 16,181.70 and 9,624.04 is: 14,439.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.40 : 16,181.70 = 9,624.04 : x
  2. Step 2: Convert to fraction form
    10,785.40/16,181.70 = 9,624.04/x
  3. Step 3: Cross multiply
    10,785.40x = 16,181.70 × 9,624.04
  4. Step 4: Simplify right side
    10,785.40x = 155,733,328.07
  5. Step 5: Solve for x
    x = 155,733,328.07/10,785.40
  6. Step 6: Final answer
    x = 14,439.27

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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.