Home / 19,242.90-26,561.25-11,288.34

Finding the Fourth Proportional to 19,242.90, 26,561.25 and 11,288.34

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Solution

The fourth proportional to 19,242.90, 26,561.25 and 11,288.34 is: 15,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.90 : 26,561.25 = 11,288.34 : x
  2. Step 2: Convert to fraction form
    19,242.90/26,561.25 = 11,288.34/x
  3. Step 3: Cross multiply
    19,242.90x = 26,561.25 × 11,288.34
  4. Step 4: Simplify right side
    19,242.90x = 299,832,420.83
  5. Step 5: Solve for x
    x = 299,832,420.83/19,242.90
  6. Step 6: Final answer
    x = 15,581.46

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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.