Home / 13,158.08-19,727.04-5,361.92

Finding the Fourth Proportional to 13,158.08, 19,727.04 and 5,361.92

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Solution

The fourth proportional to 13,158.08, 19,727.04 and 5,361.92 is: 8,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,158.08 : 19,727.04 = 5,361.92 : x
  2. Step 2: Convert to fraction form
    13,158.08/19,727.04 = 5,361.92/x
  3. Step 3: Cross multiply
    13,158.08x = 19,727.04 × 5,361.92
  4. Step 4: Simplify right side
    13,158.08x = 105,774,810.32
  5. Step 5: Solve for x
    x = 105,774,810.32/13,158.08
  6. Step 6: Final answer
    x = 8,038.77

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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.