Home / 14,799.70-20,423.52-8,085.72

Finding the Fourth Proportional to 14,799.70, 20,423.52 and 8,085.72

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Solution

The fourth proportional to 14,799.70, 20,423.52 and 8,085.72 is: 11,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.70 : 20,423.52 = 8,085.72 : x
  2. Step 2: Convert to fraction form
    14,799.70/20,423.52 = 8,085.72/x
  3. Step 3: Cross multiply
    14,799.70x = 20,423.52 × 8,085.72
  4. Step 4: Simplify right side
    14,799.70x = 165,138,864.13
  5. Step 5: Solve for x
    x = 165,138,864.13/14,799.70
  6. Step 6: Final answer
    x = 11,158.26

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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.