Home / 19,301.50-26,638.59-11,343.70

Finding the Fourth Proportional to 19,301.50, 26,638.59 and 11,343.70

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Solution

The fourth proportional to 19,301.50, 26,638.59 and 11,343.70 is: 15,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.50 : 26,638.59 = 11,343.70 : x
  2. Step 2: Convert to fraction form
    19,301.50/26,638.59 = 11,343.70/x
  3. Step 3: Cross multiply
    19,301.50x = 26,638.59 × 11,343.70
  4. Step 4: Simplify right side
    19,301.50x = 302,180,173.38
  5. Step 5: Solve for x
    x = 302,180,173.38/19,301.50
  6. Step 6: Final answer
    x = 15,655.79

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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.