Home / 14,892.50-20,590.05-14,239.70

Finding the Fourth Proportional to 14,892.50, 20,590.05 and 14,239.70

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Solution

The fourth proportional to 14,892.50, 20,590.05 and 14,239.70 is: 19,687.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,892.50 : 20,590.05 = 14,239.70 : x
  2. Step 2: Convert to fraction form
    14,892.50/20,590.05 = 14,239.70/x
  3. Step 3: Cross multiply
    14,892.50x = 20,590.05 × 14,239.70
  4. Step 4: Simplify right side
    14,892.50x = 293,196,134.99
  5. Step 5: Solve for x
    x = 293,196,134.99/14,892.50
  6. Step 6: Final answer
    x = 19,687.50

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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.