Home / 16,749.92-23,111.64-10,780.16

Finding the Fourth Proportional to 16,749.92, 23,111.64 and 10,780.16

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Solution

The fourth proportional to 16,749.92, 23,111.64 and 10,780.16 is: 14,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.92 : 23,111.64 = 10,780.16 : x
  2. Step 2: Convert to fraction form
    16,749.92/23,111.64 = 10,780.16/x
  3. Step 3: Cross multiply
    16,749.92x = 23,111.64 × 10,780.16
  4. Step 4: Simplify right side
    16,749.92x = 249,147,177.06
  5. Step 5: Solve for x
    x = 249,147,177.06/16,749.92
  6. Step 6: Final answer
    x = 14,874.53

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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.