Home / 11,639.54-17,457.05-4,523.76

Finding the Fourth Proportional to 11,639.54, 17,457.05 and 4,523.76

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Solution

The fourth proportional to 11,639.54, 17,457.05 and 4,523.76 is: 6,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.54 : 17,457.05 = 4,523.76 : x
  2. Step 2: Convert to fraction form
    11,639.54/17,457.05 = 4,523.76/x
  3. Step 3: Cross multiply
    11,639.54x = 17,457.05 × 4,523.76
  4. Step 4: Simplify right side
    11,639.54x = 78,971,547.35
  5. Step 5: Solve for x
    x = 78,971,547.35/11,639.54
  6. Step 6: Final answer
    x = 6,784.77

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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.