Home / 10,325.61-15,504.21-9,103.32

Finding the Fourth Proportional to 10,325.61, 15,504.21 and 9,103.32

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Solution

The fourth proportional to 10,325.61, 15,504.21 and 9,103.32 is: 13,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.61 : 15,504.21 = 9,103.32 : x
  2. Step 2: Convert to fraction form
    10,325.61/15,504.21 = 9,103.32/x
  3. Step 3: Cross multiply
    10,325.61x = 15,504.21 × 9,103.32
  4. Step 4: Simplify right side
    10,325.61x = 141,139,784.98
  5. Step 5: Solve for x
    x = 141,139,784.98/10,325.61
  6. Step 6: Final answer
    x = 13,668.91

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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.