Home / 14,094.18-21,135.60-9,156.42

Finding the Fourth Proportional to 14,094.18, 21,135.60 and 9,156.42

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Solution

The fourth proportional to 14,094.18, 21,135.60 and 9,156.42 is: 13,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.18 : 21,135.60 = 9,156.42 : x
  2. Step 2: Convert to fraction form
    14,094.18/21,135.60 = 9,156.42/x
  3. Step 3: Cross multiply
    14,094.18x = 21,135.60 × 9,156.42
  4. Step 4: Simplify right side
    14,094.18x = 193,526,430.55
  5. Step 5: Solve for x
    x = 193,526,430.55/14,094.18
  6. Step 6: Final answer
    x = 13,730.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.