Home / 12,030-16,603.32-8,723.76

Finding the Fourth Proportional to 12,030, 16,603.32 and 8,723.76

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Solution

The fourth proportional to 12,030, 16,603.32 and 8,723.76 is: 12,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030 : 16,603.32 = 8,723.76 : x
  2. Step 2: Convert to fraction form
    12,030/16,603.32 = 8,723.76/x
  3. Step 3: Cross multiply
    12,030x = 16,603.32 × 8,723.76
  4. Step 4: Simplify right side
    12,030x = 144,843,378.88
  5. Step 5: Solve for x
    x = 144,843,378.88/12,030
  6. Step 6: Final answer
    x = 12,040.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.