Home / 18,051.47-27,068.62-10,557.17

Finding the Fourth Proportional to 18,051.47, 27,068.62 and 10,557.17

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Solution

The fourth proportional to 18,051.47, 27,068.62 and 10,557.17 is: 15,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.47 : 27,068.62 = 10,557.17 : x
  2. Step 2: Convert to fraction form
    18,051.47/27,068.62 = 10,557.17/x
  3. Step 3: Cross multiply
    18,051.47x = 27,068.62 × 10,557.17
  4. Step 4: Simplify right side
    18,051.47x = 285,768,023.01
  5. Step 5: Solve for x
    x = 285,768,023.01/18,051.47
  6. Step 6: Final answer
    x = 15,830.73

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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.