Home / 16,580.81-24,870.40-6,191.75

Finding the Fourth Proportional to 16,580.81, 24,870.40 and 6,191.75

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Solution

The fourth proportional to 16,580.81, 24,870.40 and 6,191.75 is: 9,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,580.81 : 24,870.40 = 6,191.75 : x
  2. Step 2: Convert to fraction form
    16,580.81/24,870.40 = 6,191.75/x
  3. Step 3: Cross multiply
    16,580.81x = 24,870.40 × 6,191.75
  4. Step 4: Simplify right side
    16,580.81x = 153,991,299.20
  5. Step 5: Solve for x
    x = 153,991,299.20/16,580.81
  6. Step 6: Final answer
    x = 9,287.32

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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.