Home / 19,130.04-28,669.55-9,249.66

Finding the Fourth Proportional to 19,130.04, 28,669.55 and 9,249.66

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Solution

The fourth proportional to 19,130.04, 28,669.55 and 9,249.66 is: 13,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.04 : 28,669.55 = 9,249.66 : x
  2. Step 2: Convert to fraction form
    19,130.04/28,669.55 = 9,249.66/x
  3. Step 3: Cross multiply
    19,130.04x = 28,669.55 × 9,249.66
  4. Step 4: Simplify right side
    19,130.04x = 265,183,543.60
  5. Step 5: Solve for x
    x = 265,183,543.60/19,130.04
  6. Step 6: Final answer
    x = 13,862.15

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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.