Home / 14,274.73-19,690.99-8,305.71

Finding the Fourth Proportional to 14,274.73, 19,690.99 and 8,305.71

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Solution

The fourth proportional to 14,274.73, 19,690.99 and 8,305.71 is: 11,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.73 : 19,690.99 = 8,305.71 : x
  2. Step 2: Convert to fraction form
    14,274.73/19,690.99 = 8,305.71/x
  3. Step 3: Cross multiply
    14,274.73x = 19,690.99 × 8,305.71
  4. Step 4: Simplify right side
    14,274.73x = 163,547,652.55
  5. Step 5: Solve for x
    x = 163,547,652.55/14,274.73
  6. Step 6: Final answer
    x = 11,457.15

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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.