Home / 16,487.51-22,752.26-9,412.55

Finding the Fourth Proportional to 16,487.51, 22,752.26 and 9,412.55

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Solution

The fourth proportional to 16,487.51, 22,752.26 and 9,412.55 is: 12,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.51 : 22,752.26 = 9,412.55 : x
  2. Step 2: Convert to fraction form
    16,487.51/22,752.26 = 9,412.55/x
  3. Step 3: Cross multiply
    16,487.51x = 22,752.26 × 9,412.55
  4. Step 4: Simplify right side
    16,487.51x = 214,156,694.63
  5. Step 5: Solve for x
    x = 214,156,694.63/16,487.51
  6. Step 6: Final answer
    x = 12,989.03

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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.