Home / 22,009.16-30,339.06-13,495.52

Finding the Fourth Proportional to 22,009.16, 30,339.06 and 13,495.52

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Solution

The fourth proportional to 22,009.16, 30,339.06 and 13,495.52 is: 18,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,009.16 : 30,339.06 = 13,495.52 : x
  2. Step 2: Convert to fraction form
    22,009.16/30,339.06 = 13,495.52/x
  3. Step 3: Cross multiply
    22,009.16x = 30,339.06 × 13,495.52
  4. Step 4: Simplify right side
    22,009.16x = 409,441,239.32
  5. Step 5: Solve for x
    x = 409,441,239.32/22,009.16
  6. Step 6: Final answer
    x = 18,603.22

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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.