Home / 8,809.23-12,157.03-5,031.60

Finding the Fourth Proportional to 8,809.23, 12,157.03 and 5,031.60

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Solution

The fourth proportional to 8,809.23, 12,157.03 and 5,031.60 is: 6,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.23 : 12,157.03 = 5,031.60 : x
  2. Step 2: Convert to fraction form
    8,809.23/12,157.03 = 5,031.60/x
  3. Step 3: Cross multiply
    8,809.23x = 12,157.03 × 5,031.60
  4. Step 4: Simplify right side
    8,809.23x = 61,169,312.15
  5. Step 5: Solve for x
    x = 61,169,312.15/8,809.23
  6. Step 6: Final answer
    x = 6,943.78

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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.