Home / 19,242.43-26,547.23-11,685.89

Finding the Fourth Proportional to 19,242.43, 26,547.23 and 11,685.89

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Solution

The fourth proportional to 19,242.43, 26,547.23 and 11,685.89 is: 16,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.43 : 26,547.23 = 11,685.89 : x
  2. Step 2: Convert to fraction form
    19,242.43/26,547.23 = 11,685.89/x
  3. Step 3: Cross multiply
    19,242.43x = 26,547.23 × 11,685.89
  4. Step 4: Simplify right side
    19,242.43x = 310,228,105.17
  5. Step 5: Solve for x
    x = 310,228,105.17/19,242.43
  6. Step 6: Final answer
    x = 16,122.09

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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.