Home / 13,498.28-18,628.01-7,529.81

Finding the Fourth Proportional to 13,498.28, 18,628.01 and 7,529.81

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Solution

The fourth proportional to 13,498.28, 18,628.01 and 7,529.81 is: 10,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.28 : 18,628.01 = 7,529.81 : x
  2. Step 2: Convert to fraction form
    13,498.28/18,628.01 = 7,529.81/x
  3. Step 3: Cross multiply
    13,498.28x = 18,628.01 × 7,529.81
  4. Step 4: Simplify right side
    13,498.28x = 140,265,245.19
  5. Step 5: Solve for x
    x = 140,265,245.19/13,498.28
  6. Step 6: Final answer
    x = 10,391.35

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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.