Home / 14,715.23-20,306.59-8,342.41

Finding the Fourth Proportional to 14,715.23, 20,306.59 and 8,342.41

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Solution

The fourth proportional to 14,715.23, 20,306.59 and 8,342.41 is: 11,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.23 : 20,306.59 = 8,342.41 : x
  2. Step 2: Convert to fraction form
    14,715.23/20,306.59 = 8,342.41/x
  3. Step 3: Cross multiply
    14,715.23x = 20,306.59 × 8,342.41
  4. Step 4: Simplify right side
    14,715.23x = 169,405,889.40
  5. Step 5: Solve for x
    x = 169,405,889.40/14,715.23
  6. Step 6: Final answer
    x = 11,512.28

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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.