Home / 14,722.29-20,316.90-8,008.07

Finding the Fourth Proportional to 14,722.29, 20,316.90 and 8,008.07

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Solution

The fourth proportional to 14,722.29, 20,316.90 and 8,008.07 is: 11,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.29 : 20,316.90 = 8,008.07 : x
  2. Step 2: Convert to fraction form
    14,722.29/20,316.90 = 8,008.07/x
  3. Step 3: Cross multiply
    14,722.29x = 20,316.90 × 8,008.07
  4. Step 4: Simplify right side
    14,722.29x = 162,699,055.80
  5. Step 5: Solve for x
    x = 162,699,055.80/14,722.29
  6. Step 6: Final answer
    x = 11,051.21

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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.