Home / 12,111.13-18,159.26-4,706.94

Finding the Fourth Proportional to 12,111.13, 18,159.26 and 4,706.94

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Solution

The fourth proportional to 12,111.13, 18,159.26 and 4,706.94 is: 7,057.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111.13 : 18,159.26 = 4,706.94 : x
  2. Step 2: Convert to fraction form
    12,111.13/18,159.26 = 4,706.94/x
  3. Step 3: Cross multiply
    12,111.13x = 18,159.26 × 4,706.94
  4. Step 4: Simplify right side
    12,111.13x = 85,474,547.26
  5. Step 5: Solve for x
    x = 85,474,547.26/12,111.13
  6. Step 6: Final answer
    x = 7,057.52

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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.