Home / 22,053.09-30,434.63-12,621.45

Finding the Fourth Proportional to 22,053.09, 30,434.63 and 12,621.45

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Solution

The fourth proportional to 22,053.09, 30,434.63 and 12,621.45 is: 17,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.09 : 30,434.63 = 12,621.45 : x
  2. Step 2: Convert to fraction form
    22,053.09/30,434.63 = 12,621.45/x
  3. Step 3: Cross multiply
    22,053.09x = 30,434.63 × 12,621.45
  4. Step 4: Simplify right side
    22,053.09x = 384,129,097.71
  5. Step 5: Solve for x
    x = 384,129,097.71/22,053.09
  6. Step 6: Final answer
    x = 17,418.38

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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.