Home / 13,262.40-18,293.04-10,900.44

Finding the Fourth Proportional to 13,262.40, 18,293.04 and 10,900.44

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Solution

The fourth proportional to 13,262.40, 18,293.04 and 10,900.44 is: 15,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.40 : 18,293.04 = 10,900.44 : x
  2. Step 2: Convert to fraction form
    13,262.40/18,293.04 = 10,900.44/x
  3. Step 3: Cross multiply
    13,262.40x = 18,293.04 × 10,900.44
  4. Step 4: Simplify right side
    13,262.40x = 199,402,184.94
  5. Step 5: Solve for x
    x = 199,402,184.94/13,262.40
  6. Step 6: Final answer
    x = 15,035.15

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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.