Home / 14,389.82-19,858.23-8,723.18

Finding the Fourth Proportional to 14,389.82, 19,858.23 and 8,723.18

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Solution

The fourth proportional to 14,389.82, 19,858.23 and 8,723.18 is: 12,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.82 : 19,858.23 = 8,723.18 : x
  2. Step 2: Convert to fraction form
    14,389.82/19,858.23 = 8,723.18/x
  3. Step 3: Cross multiply
    14,389.82x = 19,858.23 × 8,723.18
  4. Step 4: Simplify right side
    14,389.82x = 173,226,914.77
  5. Step 5: Solve for x
    x = 173,226,914.77/14,389.82
  6. Step 6: Final answer
    x = 12,038.16

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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.