Home / 15,428.14-23,127.62-5,564.77

Finding the Fourth Proportional to 15,428.14, 23,127.62 and 5,564.77

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Solution

The fourth proportional to 15,428.14, 23,127.62 and 5,564.77 is: 8,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.14 : 23,127.62 = 5,564.77 : x
  2. Step 2: Convert to fraction form
    15,428.14/23,127.62 = 5,564.77/x
  3. Step 3: Cross multiply
    15,428.14x = 23,127.62 × 5,564.77
  4. Step 4: Simplify right side
    15,428.14x = 128,699,770.31
  5. Step 5: Solve for x
    x = 128,699,770.31/15,428.14
  6. Step 6: Final answer
    x = 8,341.89

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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.