Home / 15,317.62-22,980.06-5,457.76

Finding the Fourth Proportional to 15,317.62, 22,980.06 and 5,457.76

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Solution

The fourth proportional to 15,317.62, 22,980.06 and 5,457.76 is: 8,187.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.62 : 22,980.06 = 5,457.76 : x
  2. Step 2: Convert to fraction form
    15,317.62/22,980.06 = 5,457.76/x
  3. Step 3: Cross multiply
    15,317.62x = 22,980.06 × 5,457.76
  4. Step 4: Simplify right side
    15,317.62x = 125,419,652.27
  5. Step 5: Solve for x
    x = 125,419,652.27/15,317.62
  6. Step 6: Final answer
    x = 8,187.93

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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.