Home / 15,518.07-23,280.74-5,129.82

Finding the Fourth Proportional to 15,518.07, 23,280.74 and 5,129.82

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Solution

The fourth proportional to 15,518.07, 23,280.74 and 5,129.82 is: 7,695.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.07 : 23,280.74 = 5,129.82 : x
  2. Step 2: Convert to fraction form
    15,518.07/23,280.74 = 5,129.82/x
  3. Step 3: Cross multiply
    15,518.07x = 23,280.74 × 5,129.82
  4. Step 4: Simplify right side
    15,518.07x = 119,425,980.02
  5. Step 5: Solve for x
    x = 119,425,980.02/15,518.07
  6. Step 6: Final answer
    x = 7,695.93

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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.