Home / 19,518.23-29,277.43-4,727.12

Finding the Fourth Proportional to 19,518.23, 29,277.43 and 4,727.12

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Solution

The fourth proportional to 19,518.23, 29,277.43 and 4,727.12 is: 7,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.23 : 29,277.43 = 4,727.12 : x
  2. Step 2: Convert to fraction form
    19,518.23/29,277.43 = 4,727.12/x
  3. Step 3: Cross multiply
    19,518.23x = 29,277.43 × 4,727.12
  4. Step 4: Simplify right side
    19,518.23x = 138,397,924.90
  5. Step 5: Solve for x
    x = 138,397,924.90/19,518.23
  6. Step 6: Final answer
    x = 7,090.70

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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.