Home / 13,501.30-18,643.24-8,473.90

Finding the Fourth Proportional to 13,501.30, 18,643.24 and 8,473.90

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Solution

The fourth proportional to 13,501.30, 18,643.24 and 8,473.90 is: 11,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.30 : 18,643.24 = 8,473.90 : x
  2. Step 2: Convert to fraction form
    13,501.30/18,643.24 = 8,473.90/x
  3. Step 3: Cross multiply
    13,501.30x = 18,643.24 × 8,473.90
  4. Step 4: Simplify right side
    13,501.30x = 157,980,951.44
  5. Step 5: Solve for x
    x = 157,980,951.44/13,501.30
  6. Step 6: Final answer
    x = 11,701.17

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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.