Home / 15,428.82-23,089.77-9,503.07

Finding the Fourth Proportional to 15,428.82, 23,089.77 and 9,503.07

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Solution

The fourth proportional to 15,428.82, 23,089.77 and 9,503.07 is: 14,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.82 : 23,089.77 = 9,503.07 : x
  2. Step 2: Convert to fraction form
    15,428.82/23,089.77 = 9,503.07/x
  3. Step 3: Cross multiply
    15,428.82x = 23,089.77 × 9,503.07
  4. Step 4: Simplify right side
    15,428.82x = 219,423,700.59
  5. Step 5: Solve for x
    x = 219,423,700.59/15,428.82
  6. Step 6: Final answer
    x = 14,221.68

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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.