Home / 13,309.04-19,968.17-5,918.69

Finding the Fourth Proportional to 13,309.04, 19,968.17 and 5,918.69

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Solution

The fourth proportional to 13,309.04, 19,968.17 and 5,918.69 is: 8,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.04 : 19,968.17 = 5,918.69 : x
  2. Step 2: Convert to fraction form
    13,309.04/19,968.17 = 5,918.69/x
  3. Step 3: Cross multiply
    13,309.04x = 19,968.17 × 5,918.69
  4. Step 4: Simplify right side
    13,309.04x = 118,185,278.66
  5. Step 5: Solve for x
    x = 118,185,278.66/13,309.04
  6. Step 6: Final answer
    x = 8,880.08

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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.