Home / 14,074.34-19,421.95-8,104.77

Finding the Fourth Proportional to 14,074.34, 19,421.95 and 8,104.77

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Solution

The fourth proportional to 14,074.34, 19,421.95 and 8,104.77 is: 11,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.34 : 19,421.95 = 8,104.77 : x
  2. Step 2: Convert to fraction form
    14,074.34/19,421.95 = 8,104.77/x
  3. Step 3: Cross multiply
    14,074.34x = 19,421.95 × 8,104.77
  4. Step 4: Simplify right side
    14,074.34x = 157,410,437.70
  5. Step 5: Solve for x
    x = 157,410,437.70/14,074.34
  6. Step 6: Final answer
    x = 11,184.21

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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.