Home / 14,159.80-19,541.19-8,190.32

Finding the Fourth Proportional to 14,159.80, 19,541.19 and 8,190.32

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Solution

The fourth proportional to 14,159.80, 19,541.19 and 8,190.32 is: 11,303.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.80 : 19,541.19 = 8,190.32 : x
  2. Step 2: Convert to fraction form
    14,159.80/19,541.19 = 8,190.32/x
  3. Step 3: Cross multiply
    14,159.80x = 19,541.19 × 8,190.32
  4. Step 4: Simplify right side
    14,159.80x = 160,048,474.70
  5. Step 5: Solve for x
    x = 160,048,474.70/14,159.80
  6. Step 6: Final answer
    x = 11,303.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.