Home / 13,492.52-18,624.80-10,145.05

Finding the Fourth Proportional to 13,492.52, 18,624.80 and 10,145.05

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Solution

The fourth proportional to 13,492.52, 18,624.80 and 10,145.05 is: 14,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.52 : 18,624.80 = 10,145.05 : x
  2. Step 2: Convert to fraction form
    13,492.52/18,624.80 = 10,145.05/x
  3. Step 3: Cross multiply
    13,492.52x = 18,624.80 × 10,145.05
  4. Step 4: Simplify right side
    13,492.52x = 188,949,575.88
  5. Step 5: Solve for x
    x = 188,949,575.88/13,492.52
  6. Step 6: Final answer
    x = 14,004.03

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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.