Home / 14,715.26-20,306.89-10,955.24

Finding the Fourth Proportional to 14,715.26, 20,306.89 and 10,955.24

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Solution

The fourth proportional to 14,715.26, 20,306.89 and 10,955.24 is: 15,118.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.26 : 20,306.89 = 10,955.24 : x
  2. Step 2: Convert to fraction form
    14,715.26/20,306.89 = 10,955.24/x
  3. Step 3: Cross multiply
    14,715.26x = 20,306.89 × 10,955.24
  4. Step 4: Simplify right side
    14,715.26x = 222,466,853.60
  5. Step 5: Solve for x
    x = 222,466,853.60/14,715.26
  6. Step 6: Final answer
    x = 15,118.11

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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.