Home / 13,203.25-19,802.80-4,318.50

Finding the Fourth Proportional to 13,203.25, 19,802.80 and 4,318.50

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Solution

The fourth proportional to 13,203.25, 19,802.80 and 4,318.50 is: 6,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.25 : 19,802.80 = 4,318.50 : x
  2. Step 2: Convert to fraction form
    13,203.25/19,802.80 = 4,318.50/x
  3. Step 3: Cross multiply
    13,203.25x = 19,802.80 × 4,318.50
  4. Step 4: Simplify right side
    13,203.25x = 85,518,381.00
  5. Step 5: Solve for x
    x = 85,518,381.00/13,203.25
  6. Step 6: Final answer
    x = 6,477.07

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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.