Home / 19,216.51-28,814.13-10,342.35

Finding the Fourth Proportional to 19,216.51, 28,814.13 and 10,342.35

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Solution

The fourth proportional to 19,216.51, 28,814.13 and 10,342.35 is: 15,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.51 : 28,814.13 = 10,342.35 : x
  2. Step 2: Convert to fraction form
    19,216.51/28,814.13 = 10,342.35/x
  3. Step 3: Cross multiply
    19,216.51x = 28,814.13 × 10,342.35
  4. Step 4: Simplify right side
    19,216.51x = 298,005,817.41
  5. Step 5: Solve for x
    x = 298,005,817.41/19,216.51
  6. Step 6: Final answer
    x = 15,507.80

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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.