Home / 13,421.32-20,094.89-10,124.42

Finding the Fourth Proportional to 13,421.32, 20,094.89 and 10,124.42

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Solution

The fourth proportional to 13,421.32, 20,094.89 and 10,124.42 is: 15,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,421.32 : 20,094.89 = 10,124.42 : x
  2. Step 2: Convert to fraction form
    13,421.32/20,094.89 = 10,124.42/x
  3. Step 3: Cross multiply
    13,421.32x = 20,094.89 × 10,124.42
  4. Step 4: Simplify right side
    13,421.32x = 203,448,955.12
  5. Step 5: Solve for x
    x = 203,448,955.12/13,421.32
  6. Step 6: Final answer
    x = 15,158.64

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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.