Home / 14,657.05-20,225.53-8,284.19

Finding the Fourth Proportional to 14,657.05, 20,225.53 and 8,284.19

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Solution

The fourth proportional to 14,657.05, 20,225.53 and 8,284.19 is: 11,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.05 : 20,225.53 = 8,284.19 : x
  2. Step 2: Convert to fraction form
    14,657.05/20,225.53 = 8,284.19/x
  3. Step 3: Cross multiply
    14,657.05x = 20,225.53 × 8,284.19
  4. Step 4: Simplify right side
    14,657.05x = 167,552,011.53
  5. Step 5: Solve for x
    x = 167,552,011.53/14,657.05
  6. Step 6: Final answer
    x = 11,431.50

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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.