Home / 10,443.24-15,664.22-4,287.08

Finding the Fourth Proportional to 10,443.24, 15,664.22 and 4,287.08

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Solution

The fourth proportional to 10,443.24, 15,664.22 and 4,287.08 is: 6,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443.24 : 15,664.22 = 4,287.08 : x
  2. Step 2: Convert to fraction form
    10,443.24/15,664.22 = 4,287.08/x
  3. Step 3: Cross multiply
    10,443.24x = 15,664.22 × 4,287.08
  4. Step 4: Simplify right side
    10,443.24x = 67,153,764.28
  5. Step 5: Solve for x
    x = 67,153,764.28/10,443.24
  6. Step 6: Final answer
    x = 6,430.36

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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.