Home / 13,530.06-18,686.13-9,292.29

Finding the Fourth Proportional to 13,530.06, 18,686.13 and 9,292.29

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Solution

The fourth proportional to 13,530.06, 18,686.13 and 9,292.29 is: 12,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,530.06 : 18,686.13 = 9,292.29 : x
  2. Step 2: Convert to fraction form
    13,530.06/18,686.13 = 9,292.29/x
  3. Step 3: Cross multiply
    13,530.06x = 18,686.13 × 9,292.29
  4. Step 4: Simplify right side
    13,530.06x = 173,636,938.94
  5. Step 5: Solve for x
    x = 173,636,938.94/13,530.06
  6. Step 6: Final answer
    x = 12,833.42

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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.