Home / 14,909.40-22,370.18-7,515.99

Finding the Fourth Proportional to 14,909.40, 22,370.18 and 7,515.99

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Solution

The fourth proportional to 14,909.40, 22,370.18 and 7,515.99 is: 11,277.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.40 : 22,370.18 = 7,515.99 : x
  2. Step 2: Convert to fraction form
    14,909.40/22,370.18 = 7,515.99/x
  3. Step 3: Cross multiply
    14,909.40x = 22,370.18 × 7,515.99
  4. Step 4: Simplify right side
    14,909.40x = 168,134,011.60
  5. Step 5: Solve for x
    x = 168,134,011.60/14,909.40
  6. Step 6: Final answer
    x = 11,277.05

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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.