Home / 12,125.34-16,738.36-9,430.46

Finding the Fourth Proportional to 12,125.34, 16,738.36 and 9,430.46

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Solution

The fourth proportional to 12,125.34, 16,738.36 and 9,430.46 is: 13,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.34 : 16,738.36 = 9,430.46 : x
  2. Step 2: Convert to fraction form
    12,125.34/16,738.36 = 9,430.46/x
  3. Step 3: Cross multiply
    12,125.34x = 16,738.36 × 9,430.46
  4. Step 4: Simplify right side
    12,125.34x = 157,850,434.45
  5. Step 5: Solve for x
    x = 157,850,434.45/12,125.34
  6. Step 6: Final answer
    x = 13,018.23

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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.