Home / 19,182.64-28,790.32-7,504.08

Finding the Fourth Proportional to 19,182.64, 28,790.32 and 7,504.08

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Solution

The fourth proportional to 19,182.64, 28,790.32 and 7,504.08 is: 11,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.64 : 28,790.32 = 7,504.08 : x
  2. Step 2: Convert to fraction form
    19,182.64/28,790.32 = 7,504.08/x
  3. Step 3: Cross multiply
    19,182.64x = 28,790.32 × 7,504.08
  4. Step 4: Simplify right side
    19,182.64x = 216,044,864.51
  5. Step 5: Solve for x
    x = 216,044,864.51/19,182.64
  6. Step 6: Final answer
    x = 11,262.52

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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.