Home / 14,394.48-19,863.90-8,106.72

Finding the Fourth Proportional to 14,394.48, 19,863.90 and 8,106.72

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Solution

The fourth proportional to 14,394.48, 19,863.90 and 8,106.72 is: 11,187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.48 : 19,863.90 = 8,106.72 : x
  2. Step 2: Convert to fraction form
    14,394.48/19,863.90 = 8,106.72/x
  3. Step 3: Cross multiply
    14,394.48x = 19,863.90 × 8,106.72
  4. Step 4: Simplify right side
    14,394.48x = 161,031,075.41
  5. Step 5: Solve for x
    x = 161,031,075.41/14,394.48
  6. Step 6: Final answer
    x = 11,187.00

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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.