Home / 13,369.56-18,445.02-10,304.32

Finding the Fourth Proportional to 13,369.56, 18,445.02 and 10,304.32

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Solution

The fourth proportional to 13,369.56, 18,445.02 and 10,304.32 is: 14,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.56 : 18,445.02 = 10,304.32 : x
  2. Step 2: Convert to fraction form
    13,369.56/18,445.02 = 10,304.32/x
  3. Step 3: Cross multiply
    13,369.56x = 18,445.02 × 10,304.32
  4. Step 4: Simplify right side
    13,369.56x = 190,063,388.49
  5. Step 5: Solve for x
    x = 190,063,388.49/13,369.56
  6. Step 6: Final answer
    x = 14,216.13

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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.