Home / 15,977.79-23,950.49-7,645.59

Finding the Fourth Proportional to 15,977.79, 23,950.49 and 7,645.59

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Solution

The fourth proportional to 15,977.79, 23,950.49 and 7,645.59 is: 11,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.79 : 23,950.49 = 7,645.59 : x
  2. Step 2: Convert to fraction form
    15,977.79/23,950.49 = 7,645.59/x
  3. Step 3: Cross multiply
    15,977.79x = 23,950.49 × 7,645.59
  4. Step 4: Simplify right side
    15,977.79x = 183,115,588.61
  5. Step 5: Solve for x
    x = 183,115,588.61/15,977.79
  6. Step 6: Final answer
    x = 11,460.63

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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.