Home / 11,290.13-15,580.37-6,254.35

Finding the Fourth Proportional to 11,290.13, 15,580.37 and 6,254.35

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Solution

The fourth proportional to 11,290.13, 15,580.37 and 6,254.35 is: 8,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.13 : 15,580.37 = 6,254.35 : x
  2. Step 2: Convert to fraction form
    11,290.13/15,580.37 = 6,254.35/x
  3. Step 3: Cross multiply
    11,290.13x = 15,580.37 × 6,254.35
  4. Step 4: Simplify right side
    11,290.13x = 97,445,028.61
  5. Step 5: Solve for x
    x = 97,445,028.61/11,290.13
  6. Step 6: Final answer
    x = 8,630.99

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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.