Home / 14,436.90-19,919.52-8,148.06

Finding the Fourth Proportional to 14,436.90, 19,919.52 and 8,148.06

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Solution

The fourth proportional to 14,436.90, 19,919.52 and 8,148.06 is: 11,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.90 : 19,919.52 = 8,148.06 : x
  2. Step 2: Convert to fraction form
    14,436.90/19,919.52 = 8,148.06/x
  3. Step 3: Cross multiply
    14,436.90x = 19,919.52 × 8,148.06
  4. Step 4: Simplify right side
    14,436.90x = 162,305,444.13
  5. Step 5: Solve for x
    x = 162,305,444.13/14,436.90
  6. Step 6: Final answer
    x = 11,242.40

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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.