Home / 14,079.96-21,127.10-8,814.07

Finding the Fourth Proportional to 14,079.96, 21,127.10 and 8,814.07

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Solution

The fourth proportional to 14,079.96, 21,127.10 and 8,814.07 is: 13,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.96 : 21,127.10 = 8,814.07 : x
  2. Step 2: Convert to fraction form
    14,079.96/21,127.10 = 8,814.07/x
  3. Step 3: Cross multiply
    14,079.96x = 21,127.10 × 8,814.07
  4. Step 4: Simplify right side
    14,079.96x = 186,215,707.51
  5. Step 5: Solve for x
    x = 186,215,707.51/14,079.96
  6. Step 6: Final answer
    x = 13,225.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.