Home / 15,636.96-23,457.60-5,251.68

Finding the Fourth Proportional to 15,636.96, 23,457.60 and 5,251.68

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Solution

The fourth proportional to 15,636.96, 23,457.60 and 5,251.68 is: 7,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.96 : 23,457.60 = 5,251.68 : x
  2. Step 2: Convert to fraction form
    15,636.96/23,457.60 = 5,251.68/x
  3. Step 3: Cross multiply
    15,636.96x = 23,457.60 × 5,251.68
  4. Step 4: Simplify right side
    15,636.96x = 123,191,808.77
  5. Step 5: Solve for x
    x = 123,191,808.77/15,636.96
  6. Step 6: Final answer
    x = 7,878.25

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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.