Home / 14,931.33-20,605.42-8,217.24

Finding the Fourth Proportional to 14,931.33, 20,605.42 and 8,217.24

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Solution

The fourth proportional to 14,931.33, 20,605.42 and 8,217.24 is: 11,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.33 : 20,605.42 = 8,217.24 : x
  2. Step 2: Convert to fraction form
    14,931.33/20,605.42 = 8,217.24/x
  3. Step 3: Cross multiply
    14,931.33x = 20,605.42 × 8,217.24
  4. Step 4: Simplify right side
    14,931.33x = 169,319,681.44
  5. Step 5: Solve for x
    x = 169,319,681.44/14,931.33
  6. Step 6: Final answer
    x = 11,339.89

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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.