Home / 15,210.56-22,815.84-4,821.50

Finding the Fourth Proportional to 15,210.56, 22,815.84 and 4,821.50

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Solution

The fourth proportional to 15,210.56, 22,815.84 and 4,821.50 is: 7,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,210.56 : 22,815.84 = 4,821.50 : x
  2. Step 2: Convert to fraction form
    15,210.56/22,815.84 = 4,821.50/x
  3. Step 3: Cross multiply
    15,210.56x = 22,815.84 × 4,821.50
  4. Step 4: Simplify right side
    15,210.56x = 110,006,572.56
  5. Step 5: Solve for x
    x = 110,006,572.56/15,210.56
  6. Step 6: Final answer
    x = 7,232.25

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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.