Home / 22,039.13-30,402.05-13,958.16

Finding the Fourth Proportional to 22,039.13, 30,402.05 and 13,958.16

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Solution

The fourth proportional to 22,039.13, 30,402.05 and 13,958.16 is: 19,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.13 : 30,402.05 = 13,958.16 : x
  2. Step 2: Convert to fraction form
    22,039.13/30,402.05 = 13,958.16/x
  3. Step 3: Cross multiply
    22,039.13x = 30,402.05 × 13,958.16
  4. Step 4: Simplify right side
    22,039.13x = 424,356,678.23
  5. Step 5: Solve for x
    x = 424,356,678.23/22,039.13
  6. Step 6: Final answer
    x = 19,254.69

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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.