Home / 12,152.16-18,230.70-4,655.18

Finding the Fourth Proportional to 12,152.16, 18,230.70 and 4,655.18

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Solution

The fourth proportional to 12,152.16, 18,230.70 and 4,655.18 is: 6,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.16 : 18,230.70 = 4,655.18 : x
  2. Step 2: Convert to fraction form
    12,152.16/18,230.70 = 4,655.18/x
  3. Step 3: Cross multiply
    12,152.16x = 18,230.70 × 4,655.18
  4. Step 4: Simplify right side
    12,152.16x = 84,867,098.87
  5. Step 5: Solve for x
    x = 84,867,098.87/12,152.16
  6. Step 6: Final answer
    x = 6,983.70

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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.