Home / 22,319.34-30,802.36-12,759.59

Finding the Fourth Proportional to 22,319.34, 30,802.36 and 12,759.59

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Solution

The fourth proportional to 22,319.34, 30,802.36 and 12,759.59 is: 17,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.34 : 30,802.36 = 12,759.59 : x
  2. Step 2: Convert to fraction form
    22,319.34/30,802.36 = 12,759.59/x
  3. Step 3: Cross multiply
    22,319.34x = 30,802.36 × 12,759.59
  4. Step 4: Simplify right side
    22,319.34x = 393,025,484.63
  5. Step 5: Solve for x
    x = 393,025,484.63/22,319.34
  6. Step 6: Final answer
    x = 17,609.19

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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.