Home / 10,457.04-15,682.08-4,215.44

Finding the Fourth Proportional to 10,457.04, 15,682.08 and 4,215.44

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Solution

The fourth proportional to 10,457.04, 15,682.08 and 4,215.44 is: 6,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.04 : 15,682.08 = 4,215.44 : x
  2. Step 2: Convert to fraction form
    10,457.04/15,682.08 = 4,215.44/x
  3. Step 3: Cross multiply
    10,457.04x = 15,682.08 × 4,215.44
  4. Step 4: Simplify right side
    10,457.04x = 66,106,867.32
  5. Step 5: Solve for x
    x = 66,106,867.32/10,457.04
  6. Step 6: Final answer
    x = 6,321.76

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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.