Home / 10,624.30-15,919.84-6,720.50

Finding the Fourth Proportional to 10,624.30, 15,919.84 and 6,720.50

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Solution

The fourth proportional to 10,624.30, 15,919.84 and 6,720.50 is: 10,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624.30 : 15,919.84 = 6,720.50 : x
  2. Step 2: Convert to fraction form
    10,624.30/15,919.84 = 6,720.50/x
  3. Step 3: Cross multiply
    10,624.30x = 15,919.84 × 6,720.50
  4. Step 4: Simplify right side
    10,624.30x = 106,989,284.72
  5. Step 5: Solve for x
    x = 106,989,284.72/10,624.30
  6. Step 6: Final answer
    x = 10,070.24

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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.