Home / 19,355.95-26,710.12-11,400.74

Finding the Fourth Proportional to 19,355.95, 26,710.12 and 11,400.74

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Solution

The fourth proportional to 19,355.95, 26,710.12 and 11,400.74 is: 15,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.95 : 26,710.12 = 11,400.74 : x
  2. Step 2: Convert to fraction form
    19,355.95/26,710.12 = 11,400.74/x
  3. Step 3: Cross multiply
    19,355.95x = 26,710.12 × 11,400.74
  4. Step 4: Simplify right side
    19,355.95x = 304,515,133.49
  5. Step 5: Solve for x
    x = 304,515,133.49/19,355.95
  6. Step 6: Final answer
    x = 15,732.38

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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.