Home / 19,323.64-28,939.02-10,536.76

Finding the Fourth Proportional to 19,323.64, 28,939.02 and 10,536.76

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Solution

The fourth proportional to 19,323.64, 28,939.02 and 10,536.76 is: 15,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.64 : 28,939.02 = 10,536.76 : x
  2. Step 2: Convert to fraction form
    19,323.64/28,939.02 = 10,536.76/x
  3. Step 3: Cross multiply
    19,323.64x = 28,939.02 × 10,536.76
  4. Step 4: Simplify right side
    19,323.64x = 304,923,508.38
  5. Step 5: Solve for x
    x = 304,923,508.38/19,323.64
  6. Step 6: Final answer
    x = 15,779.82

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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.