Home / 15,238.28-22,864.26-9,690.20

Finding the Fourth Proportional to 15,238.28, 22,864.26 and 9,690.20

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Solution

The fourth proportional to 15,238.28, 22,864.26 and 9,690.20 is: 14,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.28 : 22,864.26 = 9,690.20 : x
  2. Step 2: Convert to fraction form
    15,238.28/22,864.26 = 9,690.20/x
  3. Step 3: Cross multiply
    15,238.28x = 22,864.26 × 9,690.20
  4. Step 4: Simplify right side
    15,238.28x = 221,559,252.25
  5. Step 5: Solve for x
    x = 221,559,252.25/15,238.28
  6. Step 6: Final answer
    x = 14,539.65

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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.