Home / 13,079.85-18,056.87-8,853.25

Finding the Fourth Proportional to 13,079.85, 18,056.87 and 8,853.25

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Solution

The fourth proportional to 13,079.85, 18,056.87 and 8,853.25 is: 12,222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.85 : 18,056.87 = 8,853.25 : x
  2. Step 2: Convert to fraction form
    13,079.85/18,056.87 = 8,853.25/x
  3. Step 3: Cross multiply
    13,079.85x = 18,056.87 × 8,853.25
  4. Step 4: Simplify right side
    13,079.85x = 159,862,011.77
  5. Step 5: Solve for x
    x = 159,862,011.77/13,079.85
  6. Step 6: Final answer
    x = 12,222.00

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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.