Home / 15,226.10-21,015.40-9,256.50

Finding the Fourth Proportional to 15,226.10, 21,015.40 and 9,256.50

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Solution

The fourth proportional to 15,226.10, 21,015.40 and 9,256.50 is: 12,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226.10 : 21,015.40 = 9,256.50 : x
  2. Step 2: Convert to fraction form
    15,226.10/21,015.40 = 9,256.50/x
  3. Step 3: Cross multiply
    15,226.10x = 21,015.40 × 9,256.50
  4. Step 4: Simplify right side
    15,226.10x = 194,529,050.10
  5. Step 5: Solve for x
    x = 194,529,050.10/15,226.10
  6. Step 6: Final answer
    x = 12,776.03

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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.