Home / 15,435.54-23,154.40-7,642.26

Finding the Fourth Proportional to 15,435.54, 23,154.40 and 7,642.26

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Solution

The fourth proportional to 15,435.54, 23,154.40 and 7,642.26 is: 11,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.54 : 23,154.40 = 7,642.26 : x
  2. Step 2: Convert to fraction form
    15,435.54/23,154.40 = 7,642.26/x
  3. Step 3: Cross multiply
    15,435.54x = 23,154.40 × 7,642.26
  4. Step 4: Simplify right side
    15,435.54x = 176,951,944.94
  5. Step 5: Solve for x
    x = 176,951,944.94/15,435.54
  6. Step 6: Final answer
    x = 11,463.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.