Home / 14,275.97-19,699.12-8,308.70

Finding the Fourth Proportional to 14,275.97, 19,699.12 and 8,308.70

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Solution

The fourth proportional to 14,275.97, 19,699.12 and 8,308.70 is: 11,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.97 : 19,699.12 = 8,308.70 : x
  2. Step 2: Convert to fraction form
    14,275.97/19,699.12 = 8,308.70/x
  3. Step 3: Cross multiply
    14,275.97x = 19,699.12 × 8,308.70
  4. Step 4: Simplify right side
    14,275.97x = 163,674,078.34
  5. Step 5: Solve for x
    x = 163,674,078.34/14,275.97
  6. Step 6: Final answer
    x = 11,465.01

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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.