Home / 12,160.26-18,267.93-10,499.49

Finding the Fourth Proportional to 12,160.26, 18,267.93 and 10,499.49

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Solution

The fourth proportional to 12,160.26, 18,267.93 and 10,499.49 is: 15,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.26 : 18,267.93 = 10,499.49 : x
  2. Step 2: Convert to fraction form
    12,160.26/18,267.93 = 10,499.49/x
  3. Step 3: Cross multiply
    12,160.26x = 18,267.93 × 10,499.49
  4. Step 4: Simplify right side
    12,160.26x = 191,803,948.36
  5. Step 5: Solve for x
    x = 191,803,948.36/12,160.26
  6. Step 6: Final answer
    x = 15,773.01

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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.