Home / 10,444.20-15,623.10-9,407.40

Finding the Fourth Proportional to 10,444.20, 15,623.10 and 9,407.40

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Solution

The fourth proportional to 10,444.20, 15,623.10 and 9,407.40 is: 14,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,444.20 : 15,623.10 = 9,407.40 : x
  2. Step 2: Convert to fraction form
    10,444.20/15,623.10 = 9,407.40/x
  3. Step 3: Cross multiply
    10,444.20x = 15,623.10 × 9,407.40
  4. Step 4: Simplify right side
    10,444.20x = 146,972,750.94
  5. Step 5: Solve for x
    x = 146,972,750.94/10,444.20
  6. Step 6: Final answer
    x = 14,072.19

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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.