Home / 16,172.76-22,315.04-9,457.08

Finding the Fourth Proportional to 16,172.76, 22,315.04 and 9,457.08

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Solution

The fourth proportional to 16,172.76, 22,315.04 and 9,457.08 is: 13,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.76 : 22,315.04 = 9,457.08 : x
  2. Step 2: Convert to fraction form
    16,172.76/22,315.04 = 9,457.08/x
  3. Step 3: Cross multiply
    16,172.76x = 22,315.04 × 9,457.08
  4. Step 4: Simplify right side
    16,172.76x = 211,035,118.48
  5. Step 5: Solve for x
    x = 211,035,118.48/16,172.76
  6. Step 6: Final answer
    x = 13,048.80

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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.