Home / 13,549.32-18,697.18-7,579.96

Finding the Fourth Proportional to 13,549.32, 18,697.18 and 7,579.96

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Solution

The fourth proportional to 13,549.32, 18,697.18 and 7,579.96 is: 10,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.32 : 18,697.18 = 7,579.96 : x
  2. Step 2: Convert to fraction form
    13,549.32/18,697.18 = 7,579.96/x
  3. Step 3: Cross multiply
    13,549.32x = 18,697.18 × 7,579.96
  4. Step 4: Simplify right side
    13,549.32x = 141,723,876.51
  5. Step 5: Solve for x
    x = 141,723,876.51/13,549.32
  6. Step 6: Final answer
    x = 10,459.85

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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.