Home / 19,074.12-26,334.48-15,545.76

Finding the Fourth Proportional to 19,074.12, 26,334.48 and 15,545.76

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Solution

The fourth proportional to 19,074.12, 26,334.48 and 15,545.76 is: 21,463.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.12 : 26,334.48 = 15,545.76 : x
  2. Step 2: Convert to fraction form
    19,074.12/26,334.48 = 15,545.76/x
  3. Step 3: Cross multiply
    19,074.12x = 26,334.48 × 15,545.76
  4. Step 4: Simplify right side
    19,074.12x = 409,389,505.80
  5. Step 5: Solve for x
    x = 409,389,505.80/19,074.12
  6. Step 6: Final answer
    x = 21,463.09

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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.