Home / 14,955.28-20,638.53-8,241.30

Finding the Fourth Proportional to 14,955.28, 20,638.53 and 8,241.30

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Solution

The fourth proportional to 14,955.28, 20,638.53 and 8,241.30 is: 11,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.28 : 20,638.53 = 8,241.30 : x
  2. Step 2: Convert to fraction form
    14,955.28/20,638.53 = 8,241.30/x
  3. Step 3: Cross multiply
    14,955.28x = 20,638.53 × 8,241.30
  4. Step 4: Simplify right side
    14,955.28x = 170,088,317.29
  5. Step 5: Solve for x
    x = 170,088,317.29/14,955.28
  6. Step 6: Final answer
    x = 11,373.13

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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.