Home / 13,952.96-20,931.48-4,589.88

Finding the Fourth Proportional to 13,952.96, 20,931.48 and 4,589.88

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Solution

The fourth proportional to 13,952.96, 20,931.48 and 4,589.88 is: 6,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.96 : 20,931.48 = 4,589.88 : x
  2. Step 2: Convert to fraction form
    13,952.96/20,931.48 = 4,589.88/x
  3. Step 3: Cross multiply
    13,952.96x = 20,931.48 × 4,589.88
  4. Step 4: Simplify right side
    13,952.96x = 96,072,981.42
  5. Step 5: Solve for x
    x = 96,072,981.42/13,952.96
  6. Step 6: Final answer
    x = 6,885.49

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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.