Home / 13,498.64-18,626.76-7,529.84

Finding the Fourth Proportional to 13,498.64, 18,626.76 and 7,529.84

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Solution

The fourth proportional to 13,498.64, 18,626.76 and 7,529.84 is: 10,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.64 : 18,626.76 = 7,529.84 : x
  2. Step 2: Convert to fraction form
    13,498.64/18,626.76 = 7,529.84/x
  3. Step 3: Cross multiply
    13,498.64x = 18,626.76 × 7,529.84
  4. Step 4: Simplify right side
    13,498.64x = 140,256,522.52
  5. Step 5: Solve for x
    x = 140,256,522.52/13,498.64
  6. Step 6: Final answer
    x = 10,390.42

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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.