Home / 14,097.32-19,455.22-8,129.40

Finding the Fourth Proportional to 14,097.32, 19,455.22 and 8,129.40

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Solution

The fourth proportional to 14,097.32, 19,455.22 and 8,129.40 is: 11,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.32 : 19,455.22 = 8,129.40 : x
  2. Step 2: Convert to fraction form
    14,097.32/19,455.22 = 8,129.40/x
  3. Step 3: Cross multiply
    14,097.32x = 19,455.22 × 8,129.40
  4. Step 4: Simplify right side
    14,097.32x = 158,159,265.47
  5. Step 5: Solve for x
    x = 158,159,265.47/14,097.32
  6. Step 6: Final answer
    x = 11,219.10

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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.