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Finding the Fourth Proportional to 11,304.85, 15,602.18 and 7,060.25

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Solution

The fourth proportional to 11,304.85, 15,602.18 and 7,060.25 is: 9,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,304.85 : 15,602.18 = 7,060.25 : x
  2. Step 2: Convert to fraction form
    11,304.85/15,602.18 = 7,060.25/x
  3. Step 3: Cross multiply
    11,304.85x = 15,602.18 × 7,060.25
  4. Step 4: Simplify right side
    11,304.85x = 110,155,291.35
  5. Step 5: Solve for x
    x = 110,155,291.35/11,304.85
  6. Step 6: Final answer
    x = 9,744.07

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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.