Home / 10,448.30-14,422.44-7,108.40

Finding the Fourth Proportional to 10,448.30, 14,422.44 and 7,108.40

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Solution

The fourth proportional to 10,448.30, 14,422.44 and 7,108.40 is: 9,812.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.30 : 14,422.44 = 7,108.40 : x
  2. Step 2: Convert to fraction form
    10,448.30/14,422.44 = 7,108.40/x
  3. Step 3: Cross multiply
    10,448.30x = 14,422.44 × 7,108.40
  4. Step 4: Simplify right side
    10,448.30x = 102,520,400.38
  5. Step 5: Solve for x
    x = 102,520,400.38/10,448.30
  6. Step 6: Final answer
    x = 9,812.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.