Home / 14,206.38-21,319.29-7,285.74

Finding the Fourth Proportional to 14,206.38, 21,319.29 and 7,285.74

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Solution

The fourth proportional to 14,206.38, 21,319.29 and 7,285.74 is: 10,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.38 : 21,319.29 = 7,285.74 : x
  2. Step 2: Convert to fraction form
    14,206.38/21,319.29 = 7,285.74/x
  3. Step 3: Cross multiply
    14,206.38x = 21,319.29 × 7,285.74
  4. Step 4: Simplify right side
    14,206.38x = 155,326,803.92
  5. Step 5: Solve for x
    x = 155,326,803.92/14,206.38
  6. Step 6: Final answer
    x = 10,933.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.