Home / 15,230.94-21,011.22-9,260.52

Finding the Fourth Proportional to 15,230.94, 21,011.22 and 9,260.52

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Solution

The fourth proportional to 15,230.94, 21,011.22 and 9,260.52 is: 12,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,230.94 : 21,011.22 = 9,260.52 : x
  2. Step 2: Convert to fraction form
    15,230.94/21,011.22 = 9,260.52/x
  3. Step 3: Cross multiply
    15,230.94x = 21,011.22 × 9,260.52
  4. Step 4: Simplify right side
    15,230.94x = 194,574,823.03
  5. Step 5: Solve for x
    x = 194,574,823.03/15,230.94
  6. Step 6: Final answer
    x = 12,774.97

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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.