Home / 13,358.50-20,037.64-5,459.32

Finding the Fourth Proportional to 13,358.50, 20,037.64 and 5,459.32

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Solution

The fourth proportional to 13,358.50, 20,037.64 and 5,459.32 is: 8,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.50 : 20,037.64 = 5,459.32 : x
  2. Step 2: Convert to fraction form
    13,358.50/20,037.64 = 5,459.32/x
  3. Step 3: Cross multiply
    13,358.50x = 20,037.64 × 5,459.32
  4. Step 4: Simplify right side
    13,358.50x = 109,391,888.80
  5. Step 5: Solve for x
    x = 109,391,888.80/13,358.50
  6. Step 6: Final answer
    x = 8,188.94

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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.