Home / 14,306.48-19,742.64-8,018.72

Finding the Fourth Proportional to 14,306.48, 19,742.64 and 8,018.72

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Solution

The fourth proportional to 14,306.48, 19,742.64 and 8,018.72 is: 11,065.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.48 : 19,742.64 = 8,018.72 : x
  2. Step 2: Convert to fraction form
    14,306.48/19,742.64 = 8,018.72/x
  3. Step 3: Cross multiply
    14,306.48x = 19,742.64 × 8,018.72
  4. Step 4: Simplify right side
    14,306.48x = 158,310,702.22
  5. Step 5: Solve for x
    x = 158,310,702.22/14,306.48
  6. Step 6: Final answer
    x = 11,065.66

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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.