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Finding the Fourth Proportional to 14,964.61, 22,460.76 and 7,574.26

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Solution

The fourth proportional to 14,964.61, 22,460.76 and 7,574.26 is: 11,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.61 : 22,460.76 = 7,574.26 : x
  2. Step 2: Convert to fraction form
    14,964.61/22,460.76 = 7,574.26/x
  3. Step 3: Cross multiply
    14,964.61x = 22,460.76 × 7,574.26
  4. Step 4: Simplify right side
    14,964.61x = 170,123,579.89
  5. Step 5: Solve for x
    x = 170,123,579.89/14,964.61
  6. Step 6: Final answer
    x = 11,368.40

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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.