Home / 14,457.47-19,951.04-8,169.71

Finding the Fourth Proportional to 14,457.47, 19,951.04 and 8,169.71

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Solution

The fourth proportional to 14,457.47, 19,951.04 and 8,169.71 is: 11,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.47 : 19,951.04 = 8,169.71 : x
  2. Step 2: Convert to fraction form
    14,457.47/19,951.04 = 8,169.71/x
  3. Step 3: Cross multiply
    14,457.47x = 19,951.04 × 8,169.71
  4. Step 4: Simplify right side
    14,457.47x = 162,994,111.24
  5. Step 5: Solve for x
    x = 162,994,111.24/14,457.47
  6. Step 6: Final answer
    x = 11,274.05

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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.