Home / 19,462.40-26,864.16-11,911.04

Finding the Fourth Proportional to 19,462.40, 26,864.16 and 11,911.04

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Solution

The fourth proportional to 19,462.40, 26,864.16 and 11,911.04 is: 16,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,462.40 : 26,864.16 = 11,911.04 : x
  2. Step 2: Convert to fraction form
    19,462.40/26,864.16 = 11,911.04/x
  3. Step 3: Cross multiply
    19,462.40x = 26,864.16 × 11,911.04
  4. Step 4: Simplify right side
    19,462.40x = 319,980,084.33
  5. Step 5: Solve for x
    x = 319,980,084.33/19,462.40
  6. Step 6: Final answer
    x = 16,440.94

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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.