Home / 18,962.24-26,166.65-11,407.16

Finding the Fourth Proportional to 18,962.24, 26,166.65 and 11,407.16

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Solution

The fourth proportional to 18,962.24, 26,166.65 and 11,407.16 is: 15,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.24 : 26,166.65 = 11,407.16 : x
  2. Step 2: Convert to fraction form
    18,962.24/26,166.65 = 11,407.16/x
  3. Step 3: Cross multiply
    18,962.24x = 26,166.65 × 11,407.16
  4. Step 4: Simplify right side
    18,962.24x = 298,487,171.59
  5. Step 5: Solve for x
    x = 298,487,171.59/18,962.24
  6. Step 6: Final answer
    x = 15,741.14

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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.