Home / 10,015.56-15,002.80-5,623.80

Finding the Fourth Proportional to 10,015.56, 15,002.80 and 5,623.80

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Solution

The fourth proportional to 10,015.56, 15,002.80 and 5,623.80 is: 8,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.56 : 15,002.80 = 5,623.80 : x
  2. Step 2: Convert to fraction form
    10,015.56/15,002.80 = 5,623.80/x
  3. Step 3: Cross multiply
    10,015.56x = 15,002.80 × 5,623.80
  4. Step 4: Simplify right side
    10,015.56x = 84,372,746.64
  5. Step 5: Solve for x
    x = 84,372,746.64/10,015.56
  6. Step 6: Final answer
    x = 8,424.17

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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.