Home / 13,296.04-18,334.98-9,315.88

Finding the Fourth Proportional to 13,296.04, 18,334.98 and 9,315.88

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Solution

The fourth proportional to 13,296.04, 18,334.98 and 9,315.88 is: 12,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.04 : 18,334.98 = 9,315.88 : x
  2. Step 2: Convert to fraction form
    13,296.04/18,334.98 = 9,315.88/x
  3. Step 3: Cross multiply
    13,296.04x = 18,334.98 × 9,315.88
  4. Step 4: Simplify right side
    13,296.04x = 170,806,473.48
  5. Step 5: Solve for x
    x = 170,806,473.48/13,296.04
  6. Step 6: Final answer
    x = 12,846.42

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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.