Home / 12,089.31-18,130.32-4,692.12

Finding the Fourth Proportional to 12,089.31, 18,130.32 and 4,692.12

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Solution

The fourth proportional to 12,089.31, 18,130.32 and 4,692.12 is: 7,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.31 : 18,130.32 = 4,692.12 : x
  2. Step 2: Convert to fraction form
    12,089.31/18,130.32 = 4,692.12/x
  3. Step 3: Cross multiply
    12,089.31x = 18,130.32 × 4,692.12
  4. Step 4: Simplify right side
    12,089.31x = 85,069,637.08
  5. Step 5: Solve for x
    x = 85,069,637.08/12,089.31
  6. Step 6: Final answer
    x = 7,036.77

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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.