Home / 13,444.15-18,541.81-11,282.21

Finding the Fourth Proportional to 13,444.15, 18,541.81 and 11,282.21

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Solution

The fourth proportional to 13,444.15, 18,541.81 and 11,282.21 is: 15,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.15 : 18,541.81 = 11,282.21 : x
  2. Step 2: Convert to fraction form
    13,444.15/18,541.81 = 11,282.21/x
  3. Step 3: Cross multiply
    13,444.15x = 18,541.81 × 11,282.21
  4. Step 4: Simplify right side
    13,444.15x = 209,192,501.49
  5. Step 5: Solve for x
    x = 209,192,501.49/13,444.15
  6. Step 6: Final answer
    x = 15,560.12

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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.