Home / 22,009.34-30,339.32-13,495.70

Finding the Fourth Proportional to 22,009.34, 30,339.32 and 13,495.70

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Solution

The fourth proportional to 22,009.34, 30,339.32 and 13,495.70 is: 18,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.34 : 30,339.32 = 13,495.70 : x
  2. Step 2: Convert to fraction form
    22,009.34/30,339.32 = 13,495.70/x
  3. Step 3: Cross multiply
    22,009.34x = 30,339.32 × 13,495.70
  4. Step 4: Simplify right side
    22,009.34x = 409,450,369.29
  5. Step 5: Solve for x
    x = 409,450,369.29/22,009.34
  6. Step 6: Final answer
    x = 18,603.48

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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.