Home / 11,225.03-15,490.64-6,189.45

Finding the Fourth Proportional to 11,225.03, 15,490.64 and 6,189.45

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Solution

The fourth proportional to 11,225.03, 15,490.64 and 6,189.45 is: 8,541.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.03 : 15,490.64 = 6,189.45 : x
  2. Step 2: Convert to fraction form
    11,225.03/15,490.64 = 6,189.45/x
  3. Step 3: Cross multiply
    11,225.03x = 15,490.64 × 6,189.45
  4. Step 4: Simplify right side
    11,225.03x = 95,878,499.13
  5. Step 5: Solve for x
    x = 95,878,499.13/11,225.03
  6. Step 6: Final answer
    x = 8,541.50

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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.