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Finding the Fourth Proportional to 14,914.20, 22,368.60 and 9,357.60

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Solution

The fourth proportional to 14,914.20, 22,368.60 and 9,357.60 is: 14,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914.20 : 22,368.60 = 9,357.60 : x
  2. Step 2: Convert to fraction form
    14,914.20/22,368.60 = 9,357.60/x
  3. Step 3: Cross multiply
    14,914.20x = 22,368.60 × 9,357.60
  4. Step 4: Simplify right side
    14,914.20x = 209,316,411.36
  5. Step 5: Solve for x
    x = 209,316,411.36/14,914.20
  6. Step 6: Final answer
    x = 14,034.71

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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.