Home / 10,019.04-15,018.52-3,774.28

Finding the Fourth Proportional to 10,019.04, 15,018.52 and 3,774.28

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Solution

The fourth proportional to 10,019.04, 15,018.52 and 3,774.28 is: 5,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.04 : 15,018.52 = 3,774.28 : x
  2. Step 2: Convert to fraction form
    10,019.04/15,018.52 = 3,774.28/x
  3. Step 3: Cross multiply
    10,019.04x = 15,018.52 × 3,774.28
  4. Step 4: Simplify right side
    10,019.04x = 56,684,099.67
  5. Step 5: Solve for x
    x = 56,684,099.67/10,019.04
  6. Step 6: Final answer
    x = 5,657.64

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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.