Home / 22,445.37-30,980.88-13,012.11

Finding the Fourth Proportional to 22,445.37, 30,980.88 and 13,012.11

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Solution

The fourth proportional to 22,445.37, 30,980.88 and 13,012.11 is: 17,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.37 : 30,980.88 = 13,012.11 : x
  2. Step 2: Convert to fraction form
    22,445.37/30,980.88 = 13,012.11/x
  3. Step 3: Cross multiply
    22,445.37x = 30,980.88 × 13,012.11
  4. Step 4: Simplify right side
    22,445.37x = 403,126,618.46
  5. Step 5: Solve for x
    x = 403,126,618.46/22,445.37
  6. Step 6: Final answer
    x = 17,960.35

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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.