Home / 13,931.04-19,227.48-8,268.93

Finding the Fourth Proportional to 13,931.04, 19,227.48 and 8,268.93

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Solution

The fourth proportional to 13,931.04, 19,227.48 and 8,268.93 is: 11,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,931.04 : 19,227.48 = 8,268.93 : x
  2. Step 2: Convert to fraction form
    13,931.04/19,227.48 = 8,268.93/x
  3. Step 3: Cross multiply
    13,931.04x = 19,227.48 × 8,268.93
  4. Step 4: Simplify right side
    13,931.04x = 158,990,686.20
  5. Step 5: Solve for x
    x = 158,990,686.20/13,931.04
  6. Step 6: Final answer
    x = 11,412.69

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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.