Home / 13,637.16-20,463.84-5,318.06

Finding the Fourth Proportional to 13,637.16, 20,463.84 and 5,318.06

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Solution

The fourth proportional to 13,637.16, 20,463.84 and 5,318.06 is: 7,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.16 : 20,463.84 = 5,318.06 : x
  2. Step 2: Convert to fraction form
    13,637.16/20,463.84 = 5,318.06/x
  3. Step 3: Cross multiply
    13,637.16x = 20,463.84 × 5,318.06
  4. Step 4: Simplify right side
    13,637.16x = 108,827,826.63
  5. Step 5: Solve for x
    x = 108,827,826.63/13,637.16
  6. Step 6: Final answer
    x = 7,980.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.