Home / 14,657.10-21,977.55-4,791.30

Finding the Fourth Proportional to 14,657.10, 21,977.55 and 4,791.30

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Solution

The fourth proportional to 14,657.10, 21,977.55 and 4,791.30 is: 7,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.10 : 21,977.55 = 4,791.30 : x
  2. Step 2: Convert to fraction form
    14,657.10/21,977.55 = 4,791.30/x
  3. Step 3: Cross multiply
    14,657.10x = 21,977.55 × 4,791.30
  4. Step 4: Simplify right side
    14,657.10x = 105,301,035.32
  5. Step 5: Solve for x
    x = 105,301,035.32/14,657.10
  6. Step 6: Final answer
    x = 7,184.30

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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.