Home / 14,830.04-20,465.10-8,115.59

Finding the Fourth Proportional to 14,830.04, 20,465.10 and 8,115.59

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Solution

The fourth proportional to 14,830.04, 20,465.10 and 8,115.59 is: 11,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.04 : 20,465.10 = 8,115.59 : x
  2. Step 2: Convert to fraction form
    14,830.04/20,465.10 = 8,115.59/x
  3. Step 3: Cross multiply
    14,830.04x = 20,465.10 × 8,115.59
  4. Step 4: Simplify right side
    14,830.04x = 166,086,258.58
  5. Step 5: Solve for x
    x = 166,086,258.58/14,830.04
  6. Step 6: Final answer
    x = 11,199.32

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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.