Home / 11,298.30-15,590.37-6,261.25

Finding the Fourth Proportional to 11,298.30, 15,590.37 and 6,261.25

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Solution

The fourth proportional to 11,298.30, 15,590.37 and 6,261.25 is: 8,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.30 : 15,590.37 = 6,261.25 : x
  2. Step 2: Convert to fraction form
    11,298.30/15,590.37 = 6,261.25/x
  3. Step 3: Cross multiply
    11,298.30x = 15,590.37 × 6,261.25
  4. Step 4: Simplify right side
    11,298.30x = 97,615,204.16
  5. Step 5: Solve for x
    x = 97,615,204.16/11,298.30
  6. Step 6: Final answer
    x = 8,639.81

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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.