Home / 9,011.90-13,518.12-4,331.18

Finding the Fourth Proportional to 9,011.90, 13,518.12 and 4,331.18

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Solution

The fourth proportional to 9,011.90, 13,518.12 and 4,331.18 is: 6,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.90 : 13,518.12 = 4,331.18 : x
  2. Step 2: Convert to fraction form
    9,011.90/13,518.12 = 4,331.18/x
  3. Step 3: Cross multiply
    9,011.90x = 13,518.12 × 4,331.18
  4. Step 4: Simplify right side
    9,011.90x = 58,549,410.98
  5. Step 5: Solve for x
    x = 58,549,410.98/9,011.90
  6. Step 6: Final answer
    x = 6,496.90

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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.