Home / 10,416.90-14,360.34-7,427.54

Finding the Fourth Proportional to 10,416.90, 14,360.34 and 7,427.54

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Solution

The fourth proportional to 10,416.90, 14,360.34 and 7,427.54 is: 10,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,416.90 : 14,360.34 = 7,427.54 : x
  2. Step 2: Convert to fraction form
    10,416.90/14,360.34 = 7,427.54/x
  3. Step 3: Cross multiply
    10,416.90x = 14,360.34 × 7,427.54
  4. Step 4: Simplify right side
    10,416.90x = 106,661,999.76
  5. Step 5: Solve for x
    x = 106,661,999.76/10,416.90
  6. Step 6: Final answer
    x = 10,239.32

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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.