Home / 19,303.36-28,959.54-7,458.88

Finding the Fourth Proportional to 19,303.36, 28,959.54 and 7,458.88

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Solution

The fourth proportional to 19,303.36, 28,959.54 and 7,458.88 is: 11,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.36 : 28,959.54 = 7,458.88 : x
  2. Step 2: Convert to fraction form
    19,303.36/28,959.54 = 7,458.88/x
  3. Step 3: Cross multiply
    19,303.36x = 28,959.54 × 7,458.88
  4. Step 4: Simplify right side
    19,303.36x = 216,005,733.72
  5. Step 5: Solve for x
    x = 216,005,733.72/19,303.36
  6. Step 6: Final answer
    x = 11,190.06

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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.