Home / 11,931.35-17,889.12-5,692.32

Finding the Fourth Proportional to 11,931.35, 17,889.12 and 5,692.32

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Solution

The fourth proportional to 11,931.35, 17,889.12 and 5,692.32 is: 8,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.35 : 17,889.12 = 5,692.32 : x
  2. Step 2: Convert to fraction form
    11,931.35/17,889.12 = 5,692.32/x
  3. Step 3: Cross multiply
    11,931.35x = 17,889.12 × 5,692.32
  4. Step 4: Simplify right side
    11,931.35x = 101,830,683.99
  5. Step 5: Solve for x
    x = 101,830,683.99/11,931.35
  6. Step 6: Final answer
    x = 8,534.72

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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.