Home / 15,419.34-23,130.47-4,325.98

Finding the Fourth Proportional to 15,419.34, 23,130.47 and 4,325.98

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Solution

The fourth proportional to 15,419.34, 23,130.47 and 4,325.98 is: 6,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.34 : 23,130.47 = 4,325.98 : x
  2. Step 2: Convert to fraction form
    15,419.34/23,130.47 = 4,325.98/x
  3. Step 3: Cross multiply
    15,419.34x = 23,130.47 × 4,325.98
  4. Step 4: Simplify right side
    15,419.34x = 100,061,950.61
  5. Step 5: Solve for x
    x = 100,061,950.61/15,419.34
  6. Step 6: Final answer
    x = 6,489.38

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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.