Home / 15,655.05-23,486.22-5,125.01

Finding the Fourth Proportional to 15,655.05, 23,486.22 and 5,125.01

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Solution

The fourth proportional to 15,655.05, 23,486.22 and 5,125.01 is: 7,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.05 : 23,486.22 = 5,125.01 : x
  2. Step 2: Convert to fraction form
    15,655.05/23,486.22 = 5,125.01/x
  3. Step 3: Cross multiply
    15,655.05x = 23,486.22 × 5,125.01
  4. Step 4: Simplify right side
    15,655.05x = 120,366,994.93
  5. Step 5: Solve for x
    x = 120,366,994.93/15,655.05
  6. Step 6: Final answer
    x = 7,688.70

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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.