Home / 15,044.34-20,762.37-8,757.06

Finding the Fourth Proportional to 15,044.34, 20,762.37 and 8,757.06

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Solution

The fourth proportional to 15,044.34, 20,762.37 and 8,757.06 is: 12,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.34 : 20,762.37 = 8,757.06 : x
  2. Step 2: Convert to fraction form
    15,044.34/20,762.37 = 8,757.06/x
  3. Step 3: Cross multiply
    15,044.34x = 20,762.37 × 8,757.06
  4. Step 4: Simplify right side
    15,044.34x = 181,817,319.83
  5. Step 5: Solve for x
    x = 181,817,319.83/15,044.34
  6. Step 6: Final answer
    x = 12,085.43

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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.