Home / 19,430.73-26,810.05-11,468.68

Finding the Fourth Proportional to 19,430.73, 26,810.05 and 11,468.68

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Solution

The fourth proportional to 19,430.73, 26,810.05 and 11,468.68 is: 15,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.73 : 26,810.05 = 11,468.68 : x
  2. Step 2: Convert to fraction form
    19,430.73/26,810.05 = 11,468.68/x
  3. Step 3: Cross multiply
    19,430.73x = 26,810.05 × 11,468.68
  4. Step 4: Simplify right side
    19,430.73x = 307,475,855.56
  5. Step 5: Solve for x
    x = 307,475,855.56/19,430.73
  6. Step 6: Final answer
    x = 15,824.21

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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.