Home / 12,030.12-18,045.06-9,126.24

Finding the Fourth Proportional to 12,030.12, 18,045.06 and 9,126.24

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Solution

The fourth proportional to 12,030.12, 18,045.06 and 9,126.24 is: 13,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.12 : 18,045.06 = 9,126.24 : x
  2. Step 2: Convert to fraction form
    12,030.12/18,045.06 = 9,126.24/x
  3. Step 3: Cross multiply
    12,030.12x = 18,045.06 × 9,126.24
  4. Step 4: Simplify right side
    12,030.12x = 164,683,548.37
  5. Step 5: Solve for x
    x = 164,683,548.37/12,030.12
  6. Step 6: Final answer
    x = 13,689.27

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Similar ratio
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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.