Home / 14,830.79-20,466.76-8,458.12

Finding the Fourth Proportional to 14,830.79, 20,466.76 and 8,458.12

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Solution

The fourth proportional to 14,830.79, 20,466.76 and 8,458.12 is: 11,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.79 : 20,466.76 = 8,458.12 : x
  2. Step 2: Convert to fraction form
    14,830.79/20,466.76 = 8,458.12/x
  3. Step 3: Cross multiply
    14,830.79x = 20,466.76 × 8,458.12
  4. Step 4: Simplify right side
    14,830.79x = 173,110,209.76
  5. Step 5: Solve for x
    x = 173,110,209.76/14,830.79
  6. Step 6: Final answer
    x = 11,672.35

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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.