Home / 14,412.32-19,890.31-8,748.51

Finding the Fourth Proportional to 14,412.32, 19,890.31 and 8,748.51

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Solution

The fourth proportional to 14,412.32, 19,890.31 and 8,748.51 is: 12,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.32 : 19,890.31 = 8,748.51 : x
  2. Step 2: Convert to fraction form
    14,412.32/19,890.31 = 8,748.51/x
  3. Step 3: Cross multiply
    14,412.32x = 19,890.31 × 8,748.51
  4. Step 4: Simplify right side
    14,412.32x = 174,010,575.94
  5. Step 5: Solve for x
    x = 174,010,575.94/14,412.32
  6. Step 6: Final answer
    x = 12,073.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.