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Finding the Fourth Proportional to 14,776.85, 22,165.47 and 4,916.13

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Solution

The fourth proportional to 14,776.85, 22,165.47 and 4,916.13 is: 7,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.85 : 22,165.47 = 4,916.13 : x
  2. Step 2: Convert to fraction form
    14,776.85/22,165.47 = 4,916.13/x
  3. Step 3: Cross multiply
    14,776.85x = 22,165.47 × 4,916.13
  4. Step 4: Simplify right side
    14,776.85x = 108,968,332.03
  5. Step 5: Solve for x
    x = 108,968,332.03/14,776.85
  6. Step 6: Final answer
    x = 7,374.26

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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.