Home / 13,624.61-20,440.35-6,607.98

Finding the Fourth Proportional to 13,624.61, 20,440.35 and 6,607.98

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Solution

The fourth proportional to 13,624.61, 20,440.35 and 6,607.98 is: 9,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.61 : 20,440.35 = 6,607.98 : x
  2. Step 2: Convert to fraction form
    13,624.61/20,440.35 = 6,607.98/x
  3. Step 3: Cross multiply
    13,624.61x = 20,440.35 × 6,607.98
  4. Step 4: Simplify right side
    13,624.61x = 135,069,423.99
  5. Step 5: Solve for x
    x = 135,069,423.99/13,624.61
  6. Step 6: Final answer
    x = 9,913.64

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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.