Home / 23,011.43-31,756.32-12,802.59

Finding the Fourth Proportional to 23,011.43, 31,756.32 and 12,802.59

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Solution

The fourth proportional to 23,011.43, 31,756.32 and 12,802.59 is: 17,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,011.43 : 31,756.32 = 12,802.59 : x
  2. Step 2: Convert to fraction form
    23,011.43/31,756.32 = 12,802.59/x
  3. Step 3: Cross multiply
    23,011.43x = 31,756.32 × 12,802.59
  4. Step 4: Simplify right side
    23,011.43x = 406,563,144.87
  5. Step 5: Solve for x
    x = 406,563,144.87/23,011.43
  6. Step 6: Final answer
    x = 17,667.88

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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.