Home / 10,329.54-15,558.05-9,430.62

Finding the Fourth Proportional to 10,329.54, 15,558.05 and 9,430.62

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Solution

The fourth proportional to 10,329.54, 15,558.05 and 9,430.62 is: 14,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.54 : 15,558.05 = 9,430.62 : x
  2. Step 2: Convert to fraction form
    10,329.54/15,558.05 = 9,430.62/x
  3. Step 3: Cross multiply
    10,329.54x = 15,558.05 × 9,430.62
  4. Step 4: Simplify right side
    10,329.54x = 146,722,010.34
  5. Step 5: Solve for x
    x = 146,722,010.34/10,329.54
  6. Step 6: Final answer
    x = 14,204.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.