Home / 19,094.20-28,662.90-11,307.40

Finding the Fourth Proportional to 19,094.20, 28,662.90 and 11,307.40

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Solution

The fourth proportional to 19,094.20, 28,662.90 and 11,307.40 is: 16,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,094.20 : 28,662.90 = 11,307.40 : x
  2. Step 2: Convert to fraction form
    19,094.20/28,662.90 = 11,307.40/x
  3. Step 3: Cross multiply
    19,094.20x = 28,662.90 × 11,307.40
  4. Step 4: Simplify right side
    19,094.20x = 324,102,875.46
  5. Step 5: Solve for x
    x = 324,102,875.46/19,094.20
  6. Step 6: Final answer
    x = 16,973.89

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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.