Home / 12,330.48-17,012.34-7,295.28

Finding the Fourth Proportional to 12,330.48, 17,012.34 and 7,295.28

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Solution

The fourth proportional to 12,330.48, 17,012.34 and 7,295.28 is: 10,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.48 : 17,012.34 = 7,295.28 : x
  2. Step 2: Convert to fraction form
    12,330.48/17,012.34 = 7,295.28/x
  3. Step 3: Cross multiply
    12,330.48x = 17,012.34 × 7,295.28
  4. Step 4: Simplify right side
    12,330.48x = 124,109,783.76
  5. Step 5: Solve for x
    x = 124,109,783.76/12,330.48
  6. Step 6: Final answer
    x = 10,065.28

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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.