Home / 12,898.64-19,347.96-10,317.98

Finding the Fourth Proportional to 12,898.64, 19,347.96 and 10,317.98

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Solution

The fourth proportional to 12,898.64, 19,347.96 and 10,317.98 is: 15,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.64 : 19,347.96 = 10,317.98 : x
  2. Step 2: Convert to fraction form
    12,898.64/19,347.96 = 10,317.98/x
  3. Step 3: Cross multiply
    12,898.64x = 19,347.96 × 10,317.98
  4. Step 4: Simplify right side
    12,898.64x = 199,631,767.58
  5. Step 5: Solve for x
    x = 199,631,767.58/12,898.64
  6. Step 6: Final answer
    x = 15,476.97

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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.