Home / 22,030.19-30,403.49-12,600.57

Finding the Fourth Proportional to 22,030.19, 30,403.49 and 12,600.57

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Solution

The fourth proportional to 22,030.19, 30,403.49 and 12,600.57 is: 17,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,030.19 : 30,403.49 = 12,600.57 : x
  2. Step 2: Convert to fraction form
    22,030.19/30,403.49 = 12,600.57/x
  3. Step 3: Cross multiply
    22,030.19x = 30,403.49 × 12,600.57
  4. Step 4: Simplify right side
    22,030.19x = 383,101,303.99
  5. Step 5: Solve for x
    x = 383,101,303.99/22,030.19
  6. Step 6: Final answer
    x = 17,389.83

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Half scale
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Double scale
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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.