Home / 11,848.12-16,372.08-10,146.40

Finding the Fourth Proportional to 11,848.12, 16,372.08 and 10,146.40

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Solution

The fourth proportional to 11,848.12, 16,372.08 and 10,146.40 is: 14,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.12 : 16,372.08 = 10,146.40 : x
  2. Step 2: Convert to fraction form
    11,848.12/16,372.08 = 10,146.40/x
  3. Step 3: Cross multiply
    11,848.12x = 16,372.08 × 10,146.40
  4. Step 4: Simplify right side
    11,848.12x = 166,117,672.51
  5. Step 5: Solve for x
    x = 166,117,672.51/11,848.12
  6. Step 6: Final answer
    x = 14,020.59

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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.